Zobrazeno 1 - 10
of 439
pro vyhledávání: '"Kłos, Jacek"'
Autor:
Glick, Jeremy, Huntington, William, Borysow, Michael, Wen, Kevin, Heinzen, Daniel, Kłos, Jacek, Tiesinga, Eite
We present three-dimensional Monte-Carlo simulations of the capture of 1000 K $^7$Li or 500 K $^{87}$Rb atoms by a continuous supersonic $^4$He jet and show that intense alkali-metal beams form with narrow transverse and longitudinal velocity distrib
Externí odkaz:
http://arxiv.org/abs/2401.13895
Autor:
Plomp, Vikram, Wang, Xu-Dong, Kłos, Jacek, Dagdigian, Paul J., Lique, François, Onvlee, Jolijn, van de Meerakker, Sebastiaan Y. T.
An intriguing phenomenon in molecular collisions is the occurrence of scattering resonances, which originate from bound and quasi-bound states supported by the interaction potential at low collision energies. The resonance effects in the scattering b
Externí odkaz:
http://arxiv.org/abs/2312.00203
Autor:
Barker, Daniel S., Fedchak, James A., Kłos, Jacek, Scherschligt, Julia, Sheikh, Abrar A., Tiesinga, Eite, Eckel, Stephen P.
Publikováno v:
AVS Quantum Sci. 5 035001 (2023)
We present measurements of thermalized collisional rate coefficients for ultra-cold $^7$Li and $^{87}$Rb colliding with room-temperature He, Ne, N$_2$, Ar, Kr, and Xe. In our experiments, a combined flowmeter and dynamic expansion system, a vacuum me
Externí odkaz:
http://arxiv.org/abs/2302.12143
Autor:
Morita, Masato, Kendrick, Brian K., Kłos, Jacek, Kotochigova, Svetlana, Brumer, Paul, Tscherbul, Timur V.
Ultracold chemical reactions of weakly bound triplet-state alkali-metal dimer molecules have recently attracted much experimental interest. We perform rigorous quantum scattering calculations with a new $ab\, initio$ potential energy surface to explo
Externí odkaz:
http://arxiv.org/abs/2301.08208
Autor:
Liu, Lee R., Changala, P. Bryan, Weichman, Marissa L., Liang, Qizhong, Toscano, Jutta, Klos, Jacek, Kotochigova, Svetlana, Nesbitt, David J., Ye, Jun
Publikováno v:
PRX Quantum 3, 030332 (2022)
Quantum state-resolved spectroscopy was recently achieved for C60 molecules when cooled by buffer gas collisions and probed with a midinfrared frequency comb. This rovibrational quantum state resolution for the largest molecule on record is facilitat
Externí odkaz:
http://arxiv.org/abs/2206.02381
Autor:
Plomp, Vikram, Wang, Xu-Dong, Lique, François, Kłos, Jacek, Onvlee, Jolijn, van de Meerakker, Sebastiaan Y. T.
High-resolution measurements of angular scattering distributions provide a sensitive test for theoretical descriptions of collision processes. Crossed beam experiments employing a decelerator and velocity map imaging have proven successful to probe c
Externí odkaz:
http://arxiv.org/abs/2112.03197
Molecules with unstable isotopes often contain heavy and deformed nuclei and thus possess a high sensitivity to parity-violating effects, such as Schiff moments. Currently the best limits on Schiff moments are set with diamagnetic atoms. Polar molecu
Externí odkaz:
http://arxiv.org/abs/2111.14896
Autor:
Kłos, Jacek1 (AUTHOR), Tiesinga, Eite2,3 (AUTHOR), Kotochigova, Svetlana1 (AUTHOR) skotoch@temple.edu
Publikováno v:
Scientific Reports. 4/22/2024, Vol. 14 Issue 1, p1-8. 8p.
The electronic structure of magnetic lanthanide atoms is fascinating from a fundamental perspective. They have electrons in a submerged open 4f shell lying beneath a filled 6s shell with strong relativistic correlations leading to a large magnetic mo
Externí odkaz:
http://arxiv.org/abs/2107.02676
Autor:
Tscherbul, Timur V., Kłos, Jacek
Publikováno v:
Phys. Rev. A 103, 062810 (2021)
We use numerically exact quantum dynamics calculations to demonstrate universal stereoselectivity of cold collisions of $^2\Pi$ molecules with $^1$S-state atoms in an external electric field. We show that cold collisions of OH molecules in their low-
Externí odkaz:
http://arxiv.org/abs/2102.12760