Results 21 to 30 of about 14,123,680 (143)

Coherent superposition of current flows in an atomtronic quantum interference device

open access: yesNew Journal of Physics, 2015
We consider a correlated Bose gas tightly confined into a ring shaped lattice, in the presence of an artificial gauge potential inducing a persistent current through it. A weak link painted on the ring acts as a source of coherent back-scattering for the
Davit Aghamalyan   +7 more
doaj   +1 more source

Strongly interacting Bose–Fermi mixtures in one dimension

open access: yesNew Journal of Physics, 2016
We study one-dimensional (1D) strongly interacting Bose–Fermi mixtures by both the exact Bethe-ansatz method and variational perturbation theory within the degenerate ground state subspace of the system in the infinitely repulsive limit.
Haiping Hu, Liming Guan, Shu Chen
doaj   +1 more source

Macromolecular structure determination using X-rays, neutrons and electrons: recent developments in Phenix

open access: yesActa Crystallographica Section D: Structural Biology, 2019
Recent developments in the Phenix software package are described in the context of macromolecular structure determination using X-rays, neutrons and electrons.
D. Liebschner   +24 more
semanticscholar   +1 more source

Various topological Mott insulators and topological bulk charge pumping in strongly-interacting boson system in one-dimensional superlattice

open access: yesNew Journal of Physics, 2017
In this paper, we study a one-dimensional boson system in a superlattice potential. This system is experimentally feasible by using ultracold atomic gases, and attracts much attention these days.
Yoshihito Kuno   +2 more
doaj   +1 more source

Interacting Fermionic Atoms in Optical Lattices Diffuse Symmetrically Upwards and Downwards in a Gravitational Potential

open access: yes, 2011
We consider a cloud of fermionic atoms in an optical lattice described by a Hubbard model with an additional linear potential. While homogeneous interacting systems mainly show damped Bloch oscillations and heating, a finite cloud behaves differently: It
Mandt, Stephan, Rapp, Akos, Rosch, Achim
core   +1 more source

Advanced LIGO detector performance in the fourth observing run [PDF]

open access: yesPhysical Review D
On May 24th, 2023, the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO), joined by the Advanced Virgo and KAGRA detectors, began the fourth observing run for a two-year-long dedicated search for gravitational waves.
E. Capote   +195 more
semanticscholar   +1 more source

Fulde–Ferrell superfluids in spinless ultracold Fermi gases

open access: yesNew Journal of Physics, 2018
The Fulde–Ferrell (FF) superfluid phase, in which fermions form finite momentum Cooper pairings, is well studied in spin-singlet superfluids in past decades. Different from previous works that engineer the FF state in spinful cold atoms, we show that the
Zhen-Fei Zheng   +3 more
doaj   +1 more source

DESI constraints on exponential quintessence [PDF]

open access: yesPhysical Review D
The DESI collaboration have recently analyzed their first year of data, finding a preference for thawing dark energy scenarios when using parameterized equations of state for dark energy.
Omar F. Ramadan   +2 more
semanticscholar   +1 more source

Probing and characterizing the growth of a crystal of ultracold bosons and light

open access: yesNew Journal of Physics, 2017
The non-linear coupled particle light dynamics of an ultracold gas in the field of two independent counter-propagating laser beams can lead to the dynamical formation of a self-ordered lattice structure as presented in (2016) Phys. Rev. X 6 021026.
S Ostermann, F Piazza, H Ritsch
doaj   +1 more source

Characterization of the astrophysical diffuse neutrino flux using starting track events in IceCube [PDF]

open access: yesPhysical Review D
A measurement of the diffuse astrophysical neutrino spectrum is presented using IceCube data collected from 2011-2022 (10.3 years). We developed novel detection techniques to search for events with a contained vertex and exiting track induced by muon ...
R. Abbasi   +417 more
semanticscholar   +1 more source

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