Zobrazeno 1 - 10
of 1 285
pro vyhledávání: '"Burgdörfer J"'
We measure nonlocal third-order spatial correlations in non-degenerate ultracold gases of bosonic ($^{84}$Sr) and spin-polarized fermionic ($^{87}$Sr) strontium through studies of the formation rates for ultralong-range trimer Rydberg molecules. The
Externí odkaz:
http://arxiv.org/abs/2301.00871
Relative phases of atomic above-threshold ionization wavepackets have been investigated in a recent experiment [L. J. Zipp, A. Natan, and P. H. Bucksbaum, Optica \textbf{1}, 361-364 (2014)] exploiting interferences between different pathways in a wea
Externí odkaz:
http://arxiv.org/abs/2107.12414
Autor:
Neuhaus, M., Schötz, J., Aulich, M., Srivastava, A., Kimbaras, D., Smejkal, V., Pervak, V., Alharbi, M., Azeer, A. M., Libisch, F., Lemell, C., Burgdörfer, J., Wang, Z., Kling, M. F.
Transient field-resolved spectroscopy enables studies of ultrafast dynamics in molecules, nanostructures, or solids with sub-cycle resolution, but previous work has so far concentrated on extracting the dielectric response at frequencies below 50\,TH
Externí odkaz:
http://arxiv.org/abs/2107.00294
Autor:
Kanungo, S. K., Whalen, J. D., Lu, Y., Killian, T. C., Dunning, F. B., Yoshida, S., Burgdörfer, J.
Measurements of the loss rates for strontium n$^{3}$S$_{1}$ Rydberg atoms excited in a dense BEC are presented for values of principal quantum number $n$ in the range $49\lesssim n \lesssim 150$ and local atom densities of $\sim1$ to $3\times10^{14}$
Externí odkaz:
http://arxiv.org/abs/2009.02399
Publikováno v:
EPJ Web of Conferences, Vol 41, p 02016 (2013)
Using a quasiclassical approach, we demonstrate that the formation of the low-energy structure in above-threshold ionization spectra by intense, midinfrared laser pulses originates from a two-dimensional focusing of the strong-field dynamics in the e
Externí odkaz:
https://doaj.org/article/c8d9236bb27f4fa7b31aff64776c6425
Autor:
Ding, R., Kanungo, S. K., Whalen, J. D., Killian, T. C., Dunning, F. B., Yoshida, S., Burgdörfer, J.
Photoexcitation rates for creation of ultralong-range Rydberg molecules (ULRM) with 31$\lesssim n \lesssim41$ in both ground and excited vibrational levels in cold ($T\sim900$~nK) gases of polarized and unpolarized $^{87}$Sr are presented. The measur
Externí odkaz:
http://arxiv.org/abs/1909.04634
Publikováno v:
Phys. Rev. Lett. 123, 146401 (2019)
Single-photon emitters play a key role in present and emerging quantum technologies. Several recent measurements have established monolayer WSe$_2$ as a promising candidate for a reliable single photon source. The origin and underlying microscopic pr
Externí odkaz:
http://arxiv.org/abs/1904.03217
Autor:
Whalen, J. D., Kanungo, S. K., Ding, R., Wagner, M., Schmidt, R., Sadeghpour, H. R., Yoshida, S., Burgdörfer, J., Dunning, F. B., Killian, T. C.
Publikováno v:
Phys. Rev. A 100, 011402 (2019)
We present photo-excitation of ultra-long-range Rydberg molecules as a probe of spatial correlations in quantum gases. Rydberg molecules can be created with well-defined internuclear spacing, set by the radius of the outer lobe of the Rydberg electro
Externí odkaz:
http://arxiv.org/abs/1903.11526
Autor:
Borbély, S., Tong, X. -M., Nagele, S., Feist, J., Březinová, I., Lackner, F., Nagy, L., Tőkési, K., Burgdörfer, J.
Publikováno v:
Physical Review A 98, 012707 (2018)
We present ab-initio calculations of the electronic differential energy transfer (DET) cross-sections for antiprotons with energies between $3$keV and $1$MeV interacting with helium. By comparison with simulations employing the mean-field description
Externí odkaz:
http://arxiv.org/abs/1901.10212
Autor:
Ding, R., Whalen, J. D., Kanungo, S. K., Killian, T. C., Dunning, F. B., Yoshida, S., Burgdörfer, J.
Publikováno v:
Phys. Rev. A 98, 042505 (2018)
A combined experimental and theoretical spectroscopic study of high-$n$, ${30 \lesssim n \lesssim 100}$, triplet $\text{S}$ and $\text{D}$ Rydberg states in $^{87}\text{Sr}$ is presented. $^{87}\text{Sr}$ has a large nuclear spin, ${I=9/2}$, and at h
Externí odkaz:
http://arxiv.org/abs/1808.05987