Sadeghpour, Hossein
Fellowship Advisor Smithsonian Astrophysical Observatory staffSadeghpour, Hossein
Fellowship Advisor Smithsonian Astrophysical Observatory staffAtomic and molecular collisions and spectroscopy; formation and collision of cold antihydrogen and protonic atoms, quantum mechanical interference effects; rydberg collisions; absorption and scattering of light for astrophysical applications, recombination and reionization, and two-photon processes, coherent control and manipulation on the nanoscale, coherent light interaction with nanotubes, ultracold collision of dipolar systems.
Background And Education
Education And Training
- B.S., Louisiana State University
- M.S., Louisiana State University
- Ph.D., Louisiana State University
Publications
Selected Publications
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Article
- Zhang, Chi, Rittenhouse, Seth T., Tscherbul, Timur V., Sadeghpour, H. R., and Hutzler, Nicholas R. 2024. "Sympathetic Cooling and Slowing of Molecules with Rydberg Atoms." Physical Review Letters, 132 033001. https://doi.org/10.1103/PhysRevLett.132.033001. 2024
- Daǧ, Ceren B., Mistakidis, Simeon I., Chan, Amos, and Sadeghpour, H. R. 2023. "Many-body quantum chaos in stroboscopically-driven cold atoms." Communications Physics, 6 136. https://doi.org/10.1038/s42005-023-01258-1. 2023
- Guttridge, Alexander, Ruttley, Daniel K., Baldock, Archie C., González-Férez, Rosario, Sadeghpour, H. R., Adams, C. S., and Cornish, Simon L. 2023. "Observation of Rydberg Blockade Due to the Charge-Dipole Interaction between an Atom and a Polar Molecule." Physical Review Letters, 131 013401. https://doi.org/10.1103/PhysRevLett.131.013401. 2023
- Halder, S., Mukherjee, K., Mistakidis, S. I., Das, S., Kevrekidis, P. G., Panigrahi, P. K., Majumder, S., and Sadeghpour, H. R. 2022. "Control of 164Dy Bose-Einstein condensate phases and dynamics with dipolar anisotropy." Physical Review Research, 4 043124. https://doi.org/10.1103/PhysRevResearch.4.043124. 2022
- Lloyd, P. N. Thomas, Walther, Valentin, and Sadeghpour, H. R. 2022. "Correlated many-body noise and emergent 1 /f behavior." Physical Review A, 105 L010402. https://doi.org/10.1103/PhysRevA.105.L010402. 2022
- Rozman, M. G., Bredice, M., Smucker, J., Sadeghpour, H. R., Vrinceanu, D., Côté, R., and Kharchenko, Vasili. 2022. "Kinetics and nucleation dynamics in ion-seeded atomic clusters." Physical Review A, 105 022807. https://doi.org/10.1103/PhysRevA.105.022807. 2022
- Smucker, J., Montgomery, J. A., Bredice, M., Rozman, M. G., Côté, R., Sadeghpour, H. R., Vrinceanu, D., and Kharchenko, V. 2022. "Model of charge transfer collisions between C60 and slow ions." Journal of Chemical Physics, 157 054303. https://doi.org/10.1063/5.0100357. 2022
- Albert, Justin E., Budker, Dmitry, Chance, Kelly, Gordon, Iouli E., Pedreros Bustos, Felipe, Pospelov, Maxim, Rochester, Simon M., and Sadeghpour, H. R. 2021. "A precise photometric ratio via laser excitation of the sodium layer - I. One-photon excitation using 342.78 nm light." Monthly Notices of the Royal Astronomical Society, 508 4399–4411. https://doi.org/10.1093/mnras/stab1621. 2021
- Albert, Justin E., Budker, Dmitry, Chance, Kelly, Gordon, Iouli E., Bustos, Felipe Pedreros, Pospelov, Maxim, Rochester, Simon M., and Sadeghpour, H. R. 2021. "A precise photometric ratio via laser excitation of the sodium layer - II. Two-photon excitation using lasers detuned from 589.16 and 819.71 nm resonances." Monthly Notices of the Royal Astronomical Society, 508 4412–4428. https://doi.org/10.1093/mnras/stab1619. 2021
- Mistakidis, Simeon I., Mithun, T., Kevrekidis, P. G., Sadeghpour, H. R., and Schmelcher, P. 2021. "Formation and quench of homonuclear and heteronuclear quantum droplets in one dimension." Physical Review Research, 3 043128. https://doi.org/10.1103/PhysRevResearch.3.043128. 2021
- Mistakidis, Simeon I., Koutentakis, G. M., Grusdt, F., Sadeghpour, H. R., and Schmelcher, P. 2021. "Radiofrequency spectroscopy of one-dimensional trapped Bose polarons: crossover from the adiabatic to the diabatic regime." New Journal of Physics, 23 043051. https://doi.org/10.1088/1367-2630/abe9d5. 2021
- González-Férez, Rosario, Shertzer, Janine, and Sadeghpour, H. R. 2021. "Ultralong-Range Rydberg Bimolecules." Physical Review Letters, 126 043401. https://doi.org/10.1103/PhysRevLett.126.043401. 2021
- González-Férez, Rosario, Rittenhouse, Seth T., Schmelcher, Peter, and Sadeghpour, Hossein R. 2020. "A protocol to realize triatomic ultralong range Rydberg molecules in an ultracold KRb gas." Journal of Physics B Atomic Molecular Physics, 53 074002. https://doi.org/10.1088/1361-6455/ab68b8. 2020
- Hummel, Frederic, Schmelcher, P., Ott, H., and Sadeghpour, Hossein R. 2020. "An ultracold heavy Rydberg system formed from ultra-long-range molecules bound in a stairwell potential." New Journal of Physics, 22 063060. https://doi.org/10.1088/1367-2630/ab90d7. 2020
- Brown, O. C. F., Vrinceanu, D., Kharchenko, Vasili, and Sadeghpour, Hossein R. 2020. "Formation of argon cluster with proton seeding." Molecular Physics, 118 e1767813. https://doi.org/10.1080/00268976.2020.1767813. 2020
- Vrinceanu, Daniel, Onofrio, Roberto, and Sadeghpour, Hossein R. 2020. "Non-Maxwellian rate coefficients for electron and ion collisions in Rydberg plasmas: implications for excitation and ionization." Journal of Plasma Physics, 86 845860301. https://doi.org/10.1017/S0022377820000513. 2020
- Sous, John, Sadeghpour, Hossein R., Killian, T. C., Demler, Eugene, and Schmidt, Richard. 2020. "Rydberg impurity in a Fermi gas: Quantum statistics and rotational blockade." Physical Review Research, 2 023021. https://doi.org/10.1103/PhysRevResearch.2.023021. 2020
- Pawlak, Mariusz and Sadeghpour, Hossein R. 2020. "Rydberg spectrum of a single trapped Ca ion: A Floquet analysis." Physical Review A, 101 052510. https://doi.org/10.1103/PhysRevA.101.052510. 2020
- Jooya, H. Z., Fan (言 詯), X., McKay, K. S., Pappas, D. P., Hite, D. A., and Sadeghpour, Hossein R. 2019. "Crystallographic orientation dependence of work function: carbon adsorption on Au surfaces." Molecular Physics, 117 2157–2161. https://doi.org/10.1080/00268976.2019.1603409. 2019
- Fey, Christian, Yang, Jin, Rittenhouse, Seth T., Munkes, Fabian, Baluktsian, Margarita, Schmelcher, Peter, Sadeghpour, Hossein R., and Shaffer, James P. 2019. "Effective Three-Body Interactions in Cs (6 s )-Cs (n d ) Rydberg Trimers." Physical Review Letters, 122 103001. https://doi.org/10.1103/PhysRevLett.122.103001. 2019
- Vrinceanu, D., Onofrio, R., Oonk, J. B. R., Salas, P., and Sadeghpour, Hossein R. 2019. "Efficient Computation of Collisional ℓ-mixing Rate Coefficients in Astrophysical Plasmas." The Astrophysical Journal, 879 115. https://doi.org/10.3847/1538-4357/ab218c. 2019
- Ashida, Yuto, Shi, Tao, Schmidt, Richard, Sadeghpour, Hossein R., Cirac, J. Ignacio, and Demler, Eugene. 2019. "Efficient variational approach to dynamics of a spatially extended bosonic Kondo model." Physical Review A, 100 043618. https://doi.org/10.1103/PhysRevA.100.043618. 2019
- Whalen, J. D., Kanungo, S. K., Ding, R., Wagner, M., Schmidt, R., Sadeghpour, Hossein R., Yoshida, S., Burgdörfer, J., Dunning, F. B., and Killian, T. Â. C. 2019. "Probing nonlocal spatial correlations in quantum gases with ultra-long-range Rydberg molecules." Physical Review A, 100 011402. https://doi.org/10.1103/PhysRevA.100.011402. 2019
- Ashida, Yuto, Shi, Tao, Schmidt, Richard, Sadeghpour, Hossein R., Cirac, J. Ignacio, and Demler, Eugene. 2019. "Quantum Rydberg Central Spin Model." Physical Review Letters, 123 183001. https://doi.org/10.1103/PhysRevLett.123.183001. 2019
- Ueda, Kiyoshi, Sokell, Emma, Schippers, Stefan, Aumayr, Friedrich, Sadeghpour, Hossein, Burgdörfer, Joachim, Lemell, Christoph, Tong, Xiao-Min, Pfeifer, Thomas, Calegari, Francesca, Palacios, Alicia, Martin, Fernando, Corkum, Paul, Sansone, Giuseppe, Gryzlova, Elena V., Grum-Grzhimailo, Alexei N., Piancastelli, Maria Novella, Weber, Peter M., Steinle, Tobias, Amini, Kasra, Biegert, Jens, Berrah, Nora, Kukk, Edwin, Santra, Robin, Müller, Alfred et al. 2019. "Roadmap on photonic, electronic and atomic collision physics: I. Light─matter interaction." Journal of Physics B Atomic Molecular Physics, 52 171001. https://doi.org/10.1088/1361-6455/ab26d7. 2019
- Schippers, Stefan, Sokell, Emma, Aumayr, Friedrich, Sadeghpour, Hossein, Ueda, Kiyoshi, Bray, Igor, Bartschat, Klaus, Murray, Andrew, Tennyson, Jonathan, Dorn, Alexander, Yamazaki, Masakazu, Takahashi, Masahiko, Mason, Nigel, Novotný, Oldřich, Wolf, Andreas, Sanche, Leon, Centurion, Martin, Yamazaki, Yasunori, Laricchia, Gaetana, Surko, Clifford M., Sullivan, James, Gribakin, Gleb, Savin, Daniel Wolf, Ralchenko, Yuri, Hoekstra, Ronnie et al. 2019. "Roadmap on photonic, electronic and atomic collision physics: II. Electron and antimatter interactions." Journal of Physics B Atomic Molecular Physics, 52 171002. https://doi.org/10.1088/1361-6455/ab26e0. 2019
- Aumayr, Friedrich, Ueda, Kiyoshi, Sokell, Emma, Schippers, Stefan, Sadeghpour, Hossein, Merkt, Frédéric, Gallagher, Thomas F., Dunning, F. Barry, Scheier, Paul, Echt, Olof, Kirchner, Tom, Fritzsche, Stephan, Surzhykov, Andrey, Ma, Xinwen, Rivarola, Roberto, Fojon, Omar, Tribedi, Lokesh, Lamour, Emily, Crespo López-Urrutia, José R., Litvinov, Yuri A., Shabaev, Vladimir, Cederquist, Henrik, Zettergren, Henning, Schleberger, Marika, Wilhelm, Richard A. et al. 2019. "Roadmap on photonic, electronic and atomic collision physics: III. Heavy particles: with zero to relativistic speeds." Journal of Physics B Atomic Molecular Physics, 52 171003. https://doi.org/10.1088/1361-6455/ab26ea. 2019
- Felfli, Z., Karman, Tijs, Kharchenko, Vasili, Vrinceanu, D., Babb, James F., and Sadeghpour, Hossein R. 2019. "Theory and simulation of spectral line broadening by exoplanetary atmospheric haze." Monthly Notices of the Royal Astronomical Society, 482 1330–1337. https://doi.org/10.1093/mnras/sty2694. 2019
- Camargo, F., Schmidt, R., Whalen, J. D., Ding, R., Woehl, G., Yoshida, S., Burgdörfer, J., Dunning, F. B., Sadeghpour, H. R., Demler, E., and Killian, T. C. 2018. "Creation of Rydberg Polarons in a Bose Gas." Physical Review Letters, 120 083401. https://doi.org/10.1103/PhysRevLett.120.083401. 2018
- Jooya, H. Z., McKay, K. S., Kim, E., Weck, P. F., Pappas, D. P., Hite, D. A., and Sadeghpour, Hossein R. 2018. "Mechanisms for carbon adsorption on Au(110)-(2 × 1): A work function analysis." Surface Science, 677 232–238. https://doi.org/10.1016/j.susc.2018.07.008. 2018
- Schmidt, R., Whalen, J. D., Ding, R., Camargo, F., Woehl, G., Yoshida, S., Burgdörfer, J., Dunning, F. B., Demler, E., Sadeghpour, H. R., and Killian, T. C. 2018. "Theory of excitation of Rydberg polarons in an atomic quantum gas." Physical Review A, 97 022707. https://doi.org/10.1103/PhysRevA.97.022707. 2018
- Dulieu, Olivier, Alnaser, Ali, Colgan, James, Grant, Ed, Krishnakumar, E., Osterwalder, Andreas, Sadeghpour, Hossein, Vrakking, Marc, and Wu, Jian. 2017. "Call for papers: Roll over hydrogen: a fundamental system in all states." Journal of Physics B Atomic Molecular Physics, 50 010201. https://doi.org/10.1088/1361-6455/50/1/010201. 2017
- McLaughlin, Brendan M., Stancil, P. C., Sadeghpour, H. R., and Forrey, Robert C. 2017. "Corrigendum: H- photodetachment and radiative attachment for astrophysical applications (2017 J. Phys. B: At. Mol. Opt. Phys. 50 114001)." Journal of Physics B Atomic Molecular Physics, 50 209501. https://doi.org/10.1088/1361-6455/aa8b41. 2017
- Kim, E., Safavi-Naini, A., Hite, D. A., McKay, K. S., Pappas, D. P., Weck, P. F., and Sadeghpour, H. R. 2017. "Electric-field noise from carbon-adatom diffusion on a Au(110) surface: First-principles calculations and experiments." Physical Review A, 95 033407. https://doi.org/10.1103/PhysRevA.95.033407. 2017
- McLaughlin, B. M., Stancil, P. C., Sadeghpour, H. R., and Forrey, R. C. 2017. "H- photodetachment and radiative attachment for astrophysical applications." Journal of Physics B Atomic Molecular Physics, 50 114001. https://doi.org/10.1088/1361-6455/aa6c1f. 2017
- Vrinceanu, D., Onofrio, R., and Sadeghpour, H. R. 2017. "On the treatment of l-changing proton-hydrogen Rydberg atom collisions." Monthly Notices of the Royal Astronomical Society, 471 3051–3056. https://doi.org/10.1093/mnras/stx1783. 2017
- Babb, James F., Côté, Robin, Sadeghpour, Hossein R., and Stancil, Phillip C. 2017. "Special issue on the atomic and molecular processes in the ultracold regime, the chemical regime and astrophysics." Journal of Physics B Atomic Molecular Physics, 50 140202. https://doi.org/10.1088/1361-6455/aa779b. 2017
- Sedlacek, J. A., Kim, E., Rittenhouse, S. T., Weck, P. F., Sadeghpour, H. R., and Shaffer, J. P. 2016. "Electric Field Cancellation on Quartz by Rb Adsorbate-Induced Negative Electron Affinity." Physical Review Letters, 116 133201. https://doi.org/10.1103/PhysRevLett.116.133201. 2016
- Camargo, F., Whalen, J. Â. D., Ding, R., Sadeghpour, H. R., Yoshida, S., Burgdörfer, J., Dunning, F. B., and Killian, T. C. 2016. "Lifetimes of ultra-long-range strontium Rydberg molecules." Physical Review A, 93 022702. https://doi.org/10.1103/PhysRevA.93.022702. 2016
- Schmidt, Richard, Sadeghpour, H. R., and Demler, E. 2016. "Mesoscopic Rydberg Impurity in an Atomic Quantum Gas." Physical Review Letters, 116 105302. https://doi.org/10.1103/PhysRevLett.116.105302. 2016
- Kuznetsova, Elena, Rittenhouse, Seth T., Sadeghpour, H. R., and Yelin, Susanne F. 2016. "Rydberg-atom-mediated nondestructive readout of collective rotational states in polar-molecule arrays." Physical Review A, 94 032325. https://doi.org/10.1103/PhysRevA.94.032325. 2016
- Marshall, David W. and Sadeghpour, H. R. 2016. "Simulating the formation of carbon-rich molecules on an idealized graphitic surface." Monthly Notices of the Royal Astronomical Society, 455 2889–2900. https://doi.org/10.1093/mnras/stv2524. 2016
- Fey, C., Kurz, M., Schmelcher, P., Rittenhouse, S. T., and Sadeghpour, H. R. 2015. "A comparative analysis of binding in ultralong-range Rydberg molecules." New Journal of Physics, 17 055010. https://doi.org/10.1088/1367-2630/17/5/055010. 2015
- Babb, James F., Sadeghpour, Hossein, and Kirby, Kate. 2015. "Alexander Dalgarno." Physics Today, 68 63–63. https://doi.org/10.1063/PT.3.2889. 2015
- Knörzer, J., Fey, C., Sadeghpour, H. R., and Schmelcher, P. 2015. "Control of multiple excited image states around segmented carbon nanotubes." Journal of Chemical Physics, 143 204309. https://doi.org/10.1063/1.4936415. 2015
- Bartschat, Klaus and Sadeghpour, H. R. 2015. "Hyperfine-changing transitions in 3He II and other one-electron ions by electron scattering." Journal of Physics Conference Series, 635 052016. https://doi.org/10.1088/1742-6596/635/5/052016. 2015
- DeSalvo, B. J., Aman, J., Dunning, F. B., Killian, T. C., Sadeghpour, H. R., Yoshida, S., and Burgdörfer, J. 2015. "Production of ultra-long-range Rydberg molecules in a divalent atomic system." Journal of Physics Conference Series, 635 092023. https://doi.org/10.1088/1742-6596/635/9/092023. 2015
- González-Férez, Rosario, Sadeghpour, H. R., and Schmelcher, Peter. 2015. "Rotational hybridization, and control of alignment and orientation in triatomic ultralong-range Rydberg molecules." New Journal of Physics, 17 013021. https://doi.org/10.1088/1367-2630/17/1/013021. 2015
- Zhang, M., Lee, Tony E., and Sadeghpour, H. R. 2015. "Transport of quantum excitations via local and nonlocal fluctuations." Physical Review A, 91 052101. https://doi.org/10.1103/PhysRevA.91.052101. 2015
- Vrinceanu, D., Onofrio, R., and Sadeghpour, H. R. 2014. "Comprehensive Rate Coefficients for Electron-collision-induced Transitions in Hydrogen." The Astrophysical Journal, 780 2. https://doi.org/10.1088/0004-637X/780/1/2. 2014
- Baskin, Artem, Sadeghpour, Hossein R., and Král, Petr. 2014. "Correlated Diskoid-like Electronic States." Scientific Reports, 4 5913. https://doi.org/10.1038/srep05913. 2014
- Pawlak, M., Moiseyev, N., and Sadeghpour, H. R. 2014. "Highly excited Rydberg states of a rubidium atom: Theory versus experiments." Physical Review A, 89 42506. https://doi.org/10.1103/PhysRevA.89.042506. 2014
- Bartschat, Klaus and Sadeghpour, H. R. 2014. "Hyperfine-changing Transitions in 3He II and Other One-electron Ions by Electron Scattering." The Astrophysical Journal, 788 69. https://doi.org/10.1088/0004-637X/788/1/69. 2014
- Sadeghpour, H. R., Loreau, J., and Dalgarno, Alexander. 2014. "Interaction of Ag(5s) and Ag(5p) with noble gas atoms." Journal of Physics Conference Series, 488 2006. https://doi.org/10.1088/1742-6596/488/12/122006. 2014
- Patra, N., Král, P., and Sadeghpour, H. R. 2014. "Nucleation and Stabilization of Carbon-rich Structures in Interstellar Media." The Astrophysical Journal, 785 6. https://doi.org/10.1088/0004-637X/785/1/6. 2014
- Zhang, J. -Y, Mitroy, J., Yan, Z. -C, Babb, J. F., Sadeghpour, H. R., and Schwingenschlögl, U. 2013. "Long-range interactions of excited He atoms with the alkaline earth atoms Mg, Ca, and Sr." Journal of Chemical Physics, 138 4317. https://doi.org/10.1063/1.4794048. 2013
- Lee, Tony E. and Sadeghpour, H. R. 2013. "Quantum Synchronization of Quantum van der Pol Oscillators with Trapped Ions." Physical Review Letters, 111 234101. https://doi.org/10.1103/PhysRevLett.111.234101. 2013
- Safavi-Naini, A., Söyler, Ş. G., Pupillo, G., Sadeghpour, H. R., and Capogrosso-Sansone, B. 2013. "Quantum phases of dipolar bosons in bilayer geometry." New Journal of Physics, 15 3036. https://doi.org/10.1088/1367-2630/15/1/013036. 2013
- Vrinceanu, D., Onofrio, R., and Sadeghpour, H. R. 2012. "Angular Momentum Changing Transitions in Proton-Rydberg Hydrogen Atom Collisions." The Astrophysical Journal, 747 56. https://doi.org/10.1088/0004-637X/747/1/56. 2012
- Safavi-Naini, A., Rabl, P., Weck, P. F., and Sadeghpour, H. R. 2011. "Microscopic model of electric-field-noise heating in ion traps." Physical Review A, 84, (2) 23412. https://doi.org/10.1103/PhysRevA.84.023412. 2011
- Rittenhouse, Seth T., Mayle, M., Schmelcher, P., and Sadeghpour, H. R. 2011. "Ultralong-range polyatomic Rydberg molecules formed by a polar perturber." Journal of Physics B Atomic Molecular Physics, 44 4005. https://doi.org/10.1088/0953-4075/44/18/184005. 2011
- Tscherbul, T. V., Pavlovic, Z., Sadeghpour, H. R., Côté, R., and Dalgarno, Alexander. 2010. "Collisions of trapped molecules with slow beams." Physical Review A, 82 22704. https://doi.org/10.1103/PhysRevA.82.022704. 2010
- Pavlovic, Z., Sadeghpour, H. R., Côté, R., and Roos, B. O. 2010. "CrRb: A molecule with large magnetic and electric dipole moments." Physical Review A, 81 52706. https://doi.org/10.1103/PhysRevA.81.052706. 2010
- Miyake, S., Stancil, P. C., Sadeghpour, H. R., Dalgarno, Alexander, McLaughlin, B. M., and Forrey, R. C. 2010. "Resonant H– Photodetachment: Enhanced Photodestruction and Consequences for Radiative Feedback." The Astrophysical Journal Letters, 709 L168–L171. https://doi.org/10.1088/2041-8205/709/2/L168. 2010
- Vrinceanu, D. and Sadeghpour, H. R. 2010. "Spin polarization transfer in ground and metastable helium atom collisions." New Journal of Physics, 12 5039. https://doi.org/10.1088/1367-2630/12/6/065039. 2010
- Rittenhouse, Seth T. and Sadeghpour, H. R. 2010. "Ultracold Giant Polyatomic Rydberg Molecules: Coherent Control of Molecular Orientation." Physical Review Letters, 104 243002. https://doi.org/10.1103/PhysRevLett.104.243002. 2010
- Pohl, T., Sadeghpour, H. R., and Schmelcher, P. 2009. "Cold and ultracold Rydberg atoms in strong magnetic fields." Physics Reports, 484 181–229. 2009
- Hosseini, B. H., Weck, P. F., Sadeghpour, H. R., Kirby, K., and Stancil, P. C. 2009. "Photodissociation dynamics of lithium chloride: Contribution of interferometric predissociation." Journal of Chemical Physics, 130 4308. https://doi.org/10.1063/1.3072094. 2009
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Conference Paper
- Patra, N., Sadeghpour, H. R., Cami, Jan, and Cox, Nick L. J. 2014. "Dynamics of Synthesis of Large Carbon Structures in the Interstellar Medium." from IAU Symposium. 297, 353–355. https://doi.org/10.1017/S1743921313016116. 2014
Contact
Location
- Smithsonian Astrophysical Observatory Academic Department
