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Bose gas

A THEORETICAL STUDY OF BOSE GAS TRAPPED IN A 3D COMBINED HARMONIC-OPTICAL POTENTIAL AND AN EVALUATION OF EFFECTIVE SIZE AND EXPANSION ENERGY OF A BOSE-EINSTEIN CONDENSATE IN A 3D NON-CUBIC OPTICAL LATTICE

A THEORETICAL STUDY OF BOSE GAS TRAPPED IN A 3D COMBINED HARMONIC-OPTICAL POTENTIAL AND AN EVALUATION OF EFFECTIVE SIZE AND EXPANSION ENERGY OF A BOSE-EINSTEIN CONDENSATE IN A 3D NON-CUBIC OPTICAL LATTICE

... Result of equation (11) is consistent with the earlier experimental reports that the width of the absorption images of a Bose gas is proportional to its temperature in the absence of the condensate. A ...

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Violation of self-similarity in the expansion of a 1D Bose gas

Violation of self-similarity in the expansion of a 1D Bose gas

... one-dimensional Bose gas in a ...a gas in the strongly interacting regime could therefore be employed to discern between mean-field and strongly interacting ...

6

Measurement of the density profile of quantized vortices and of the equation of state in a 3D interacting Bose gas

Measurement of the density profile of quantized vortices and of the equation of state in a 3D interacting Bose gas

... Most of the experimental work on the thermodynamics of homogeneous systems results from observations in inhomogeneous samples, interpreted by means of the local density approximation. To apply this scheme, we need to ...

102

The density of states approach at finite chemical potential: A numerical study of the Bose gas.

The density of states approach at finite chemical potential: A numerical study of the Bose gas.

... The Bose gas at finite chemical potential is a perfect toy-model to test new algorithms for simulating systems affected by a sign problem. It has been studied extensively with different ap- proaches i.e. ...

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Finite Temperature Excitations of a Trapped Bose Gas by Feynman-Kac Path Integral Approach

Finite Temperature Excitations of a Trapped Bose Gas by Feynman-Kac Path Integral Approach

... We are solving the full Hamiltonian with some realistic potential and thereby trying to solve the many body problem fully quantum mechanically and non-perturbatively. So for both m=0 and m=2 modes, our calculations ...

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Exponents of spectral functions in the one-dimensional Bose gas

Exponents of spectral functions in the one-dimensional Bose gas

... The one-dimensional Bose gas with a repulsive δ function was one of the first models exactly solved via Bethe’s ansatz. 1,2 Its properties are those of a Luttinger liquid, 3 i.e. as a consequence of the ...

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The Thermodynamics and Fractional Statistics of the Spinor Bose Gas

The Thermodynamics and Fractional Statistics of the Spinor Bose Gas

... obey Bose-Einstein of Fermi-Dirac statistics, but rather, somewhere ...spinless Bose gas obeys Haldane exclusion statistics, and thus the question of whether the spinor Bose gas also ...

87

An Evaluation of Energy Per Particle (E/N) of Two
Dimensional Bose Gas using HD,
SD and PP Potential

An Evaluation of Energy Per Particle (E/N) of Two Dimensional Bose Gas using HD, SD and PP Potential

... In this paper, we have pressed a method of evaluation of energy per particle (E/N) of two dimensional Bose Gas using three potential namely HD (Hard-disc potential), SD (Soft disc potential), PP (Zero-range ...

6

Collective oscillations of a trapped atomic gas in low dimensions and thermodynamics of one-dimensional Bose gas

Collective oscillations of a trapped atomic gas in low dimensions and thermodynamics of one-dimensional Bose gas

... If the interactions are attractive ( a < 0 ), the BEC is unstable and it collapses above a critical threshold of the number of atoms, of the order of 1000 [Bradley et al., 1997, Sackett et al., 1999, Gerton et al., ...

182

Random partitions in statistical mechanics

Random partitions in statistical mechanics

... time, Bose–Einstein condensation is the first description of a phase transition in statistical ...ideal Bose gas is a quantum system whose description involves a complex Hilbert space and the ...

39

Statistical aspects of bosons and fermions

Statistical aspects of bosons and fermions

... Attempts on the occupation of particles (Frederick Reif., 2010; K.Huang. 2009: Mac Donald, 2006; R.K. Srivastava and J Ashok 2005; Avijith Lahiri, 2013; Landau and Lifshitz, 1969) relating to Bosons and Fermions that are ...

9

Excitations for the one dimensional S = 1 pseudo Heisenberg antiferromagnetic chain

Excitations for the one dimensional S = 1 pseudo Heisenberg antiferromagnetic chain

... In the case of spin-1 Bose gas with antiferromagnetic interaction like 23 Na , it has been pointed out [4] that as the magnetic field gradient is reduced the single condensate involves t[r] ...

5

Lasing in Bose Fermi mixtures

Lasing in Bose Fermi mixtures

... on Bose-Einstein condensates of exciton-polaritons in semiconductor ...mixed Bose-Fermi systems, switching between fermionic lasing, incoherent emission and bosonic lasing regimes in planar and pillar ...

7

Localization and spreading of matter waves in disordered potentials

Localization and spreading of matter waves in disordered potentials

... In hapters 4 and 5 we onsidered a weakly interating Bose gas in a bihromati optial lattie and dealt with the problem of the interplay between disorder indued.. introdued the method whih [r] ...

138

Large-Scale Bose-Einstein Condensation in an Atomic Gas by Applying an Electric Field

Large-Scale Bose-Einstein Condensation in an Atomic Gas by Applying an Electric Field

... space; Bose gas would undergo a phase ...quantum gas, when V > V c , almost all Cs atoms (bosons) are in exactly the same state , according to Feynman, “the quantum physics is the same thing as ...

10

A Good Chance for the Cat’s Life: Erwin Schroedinger’s New Statistics and a Second Quantization Theory of Quantum

A Good Chance for the Cat’s Life: Erwin Schroedinger’s New Statistics and a Second Quantization Theory of Quantum

... rarified Bose gas and the new statis- ...Rarified Gas, he had remarked that the core of the passage from “Boltzmann’s natural” to Bose’s statistics was a conceptual interchange between the ...

7

Bose –Einstein Condensation in Complex networks related to Consciousness

Bose –Einstein Condensation in Complex networks related to Consciousness

... Various types of complex networks such as World Wide Web, citations and maps can be mapped on to Bose gas. In this paper it is shown that the neural network involved in consciousness can be mapped on to a ...

5

Moss_Thesis_Final.pdf

Moss_Thesis_Final.pdf

... temperatures, Bose Einstein Condensation will not occur because it is only for tempera- tures below the critical temperature that BEC is ...the Bose gas does not enter the superfluid phase and ...

46

Thermal characteristics confronting trace anomaly and intrinsic canonical structure of QCD - A traceback from hypotheses of mainly second order phase transition with respect to energy density in QCD

Thermal characteristics confronting trace anomaly and intrinsic canonical structure of QCD - A traceback from hypotheses of mainly second order phase transition with respect to energy density in QCD

... 1) In QCD without QED and leptons there are no Bose condensates relative to base fields, both fermionic violating CPT as well as bosonic. The exclusion is a consequence of strong boundary conditions maintaining ...

15

Using entanglement to discern phases in the disordered one dimensional Bose Hubbard model

Using entanglement to discern phases in the disordered one dimensional Bose Hubbard model

... Density = 2. To the best of our knowledge, the phases for N/L = 2 have not been shown before in the literature. Due to our numerical restriction of five bosons per site, this regime is close to the limit of what can be ...

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