Published July 2007 | Version v1
Journal article Metadata-only

Bose-Einstein condensate in a harmonic trap decorated with Dirac δ functions

Creators

  • 1. Department of Physics, Bogazici University, Bebek, 34342, Istanbul (Turkey)
  • 2. Department of Physics, Harran University, Osmanbey Yerleskesi, Sanliurfa (Turkey)
  • 3. Bogazici University-TUeBITAK Feza Guersey Institute Kandilli, 34684, Istanbul (Turkey)
  • 4. Department of Physics, Koc University, Rumelifeneri yolu, Sariyer, 34450, Istanbul (Turkey)

Description

We study Bose-Einstein condensation in a harmonic trap with a dimple potential. We specifically consider the case of a tight and deep dimple potential which is modeled by a Dirac δ function. This allows for simpler, explicit numerical and analytical investigations of noninteracting gases. Thus, the Schroedinger equation is used instead of the Gross-Pitaevski equation. Calculating the atomic density, chemical potential, critical temperature, and condensate fraction, the role of the relative depth of the dimple potential with respect to the harmonic trap in large condensate formation at enhanced temperatures is clearly revealed

Additional details

Identifiers

DOI
10.1103/PhysRevA.76.013618;
arXiv
arXiv:cond-mat/0701668v4;

Publishing Information

Journal Title
Physical Review. A
Journal Volume
76
Journal Issue
1
Journal Page Range
p. 013618-013618.7
ISSN
1050-2947
CODEN
PLRAAN

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
39033576
Subject category
S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
Descriptors DEI
BOSE-EINSTEIN CONDENSATION; CRITICAL TEMPERATURE; DELTA FUNCTION; DENSITY; GASES; POTENTIALS; SCHROEDINGER EQUATION; TRAPS
Descriptors DEC
DIFFERENTIAL EQUATIONS; EQUATIONS; FLUIDS; FUNCTIONS; PARTIAL DIFFERENTIAL EQUATIONS; PHYSICAL PROPERTIES; THERMODYNAMIC PROPERTIES; TRANSITION TEMPERATURE; WAVE EQUATIONS

Optional Information

Notes
(c) 2007 The American Physical Society