cold atoms
Treelike interactions and fast scrambling with cold atoms
... We propose an experimentally realizable quantum spin model that exhibits fast scrambling, based on non-local interactions which couple sites whose separation is a power of 2. By controlling the relative strengths of ...
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Nonlinear lensing mechanisms in a cloud of cold atoms
... We now address the case where the repumper beam is present during the probing phase (bottom row in Fig. 3), which suppresses hyperfine pumping. In this situation the picture changes markedly. First, the fast increase of ...
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Double-impulse magnetic focusing of launched cold atoms
... of atoms at microKelvin temperatures [3]. Paramagnetic cold atoms can be manipulated with the Stern–Gerlach force ...both cold [5] and Bose condensed atoms ...transferring cold ...
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Common Perspectives for Cold Atoms, Semiconductor Polaritons and Nanoscience (POLATOM)
... Remarkably, the two fields of cold atoms and of exciton polaritons have much in common. The most important link between the two fields is the phenomenon of Bose- Einstein condensation. The macroscopic ...
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Demonstration of an inductively coupled ring trap for cold atoms
... for cold atoms is an active topic of theoretical and experimental study, motivated by the ability to create one-dimensional waveguides with periodic boundary conditions, which have applications in two ...
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Dissipative solitons in the coupled dynamics of light and cold atoms
... the atoms, but nonlinear redistribution effects can lead to spontaneous structuring, see ...in cold Rb [17, 18] is a promising starting point for the experi- mental study of coupled light-matter dissipative ...
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Magnetic phase diagram of light-mediated spin structuring in cold atoms
... of cold atoms, we observe the sponta- neous formation of 2D structures in the transverse plane corresponding to high contrast spatial modulations of both light field and atomic ...
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Spontaneous optomechanical pattern formation in cold atoms
... media cold enough for optical forces to overcome thermal ...on cold atoms are well known and have been predicted and demonstrated in cold atomic gases [12–20] and Bose-Einstein condensates ...
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Spontaneous light-mediated magnetism in cold atoms
... In conclusion, we demonstrated spontaneous magnetic ordering in a cloud of cold atoms due to light-mediated interactions. The behavior of the system in a longitudinal field is more complex than in the ...
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Keilmann, Tassilo (2009): Strongly correlated quantum physics with cold atoms. Dissertation, LMU München: Fakultät für Physik
... Present facilities allow one to create spinor Bose gases which have been demon- strated in experimental studies of two-component Bose-Einstein condensates [11]. These systems are produced by simultaneously trapping ...
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Functional renormalization group and conformal invariance in cold atoms
... denotes an elementary complex bosonic atom, while ϕ represents a complex bosonic composite diatom which mediates the Feshbach interaction. The vacuum system enjoys Galilean space-time symmetry and an internal U(1) ...
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Cold atoms in cavity QED for quantum information processing
... The basic idea is that t,he FORT was left 011 as long as possible, arid orily turned off xvllen it was necessary to detect atoms inside the cavity mode volume for c.[r] ...
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Lasers, Cold Atoms and Atomic Clocks: Realizing the Second Today
... of atoms in a vertical ballistic flight, letting them to pass through an interaction ...the atoms going upwards, the second, after the flight apogee, with the atoms coming back ...
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An Evaluation of Pairing Gap, Chemical Potential on Temperature of Symmetrical Nuclear Matter and Study of Fermionic Condensation in Ultra Cold Atoms and Nuclear Matter
... ultra cold and dilute atomic gases, bulk neutron matter and neutron ...fermionic atoms as a function of the inverse interaction strength (1/k F a), k F is Fermi wave ...
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A THEORETICAL STUDY OF FERMIONIC CONDENSATION IN ULTRA COLD ATOMS AND NUCLEAR MATTER.
... ultra cold and dilute atomic gases, bulk neutron matter and neutron ...fermionic atoms as a function of the inverse interaction strength (1/k F a), k F is Fermi wave ...
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Superradiance in a large and dilute cloud of cold atoms in the linear-optics regime
... To conclude, let us notice that in Dicke superfluores- cence [3], in optical precursors (or “flash”) [32], as well as in the experiment reported here dealing with low- saturation fluorescence, the timescales associated ...
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Theory of a Kaptiza Dirac Interferometer with Cold Trapped Atoms
... of cold atoms [5] ...of cold atoms oscillating in vertically oriented optical lattices which have been able to evaluate the gravitational constant g with accuracy up to ...
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Atoms in complex twisted light
... free atoms involved similar ideas to those used in the generation of EV beams ...free atoms we mean atoms in the form of a beam (thermal, BEC, etc) that propagates in free space and is dif- fracted ...
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Electron Collisions with Atoms and Molecules
... An understanding of electron interactions with methanol also has important biological considerations. Nearly two decades ago, Boudaiffa et al.[154] showed that dissociative elec- tron attachment (DEA) could result in ...
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A Search on Two Electron Atoms
... Using the basic ingredient of two-body problem, we propose accurate algebraic solutions in a closed form for the ground state of helium and helium-like atoms. These simple but explicit expressions involve exact ...
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