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Title of Journal: J Low Temp Phys

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Abbravation: Journal of Low Temperature Physics

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Springer US

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DOI

10.1007/s13197-015-2096-5

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1573-7357

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Pseudogap in Fermionic Density of States in the BC

Authors: S Tsuchiya R Watanabe Y Ohashi
Publish Date: 2009/09/11
Volume: 158, Issue: 1-2, Pages: 29-
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Abstract

We study pseudogap behaviors of ultracold Fermi gases in the BCSBEC crossover region We calculate the density of states DOS as well as the singleparticle spectral weight above the superfluid transition temperature T c including pairing fluctuations within a Tmatrix approximation We find that DOS exhibits a pseudogap structure in the BCSBEC crossover region which is most remarkable near the unitarity limit We determine the pseudogap temperature T at which the pseudogap structure in DOS disappears We also introduce another temperature T at which the BCSlike doublepeak structure disappears in the spectral weight While one finds T T in the BCS regime T becomes higher than T in the crossover and BEC regime We also determine the pseudogap region in the phase diagram in terms of temperature and pairing interaction

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  2. High-Field Transitions in ErFe 11 Ti and HoFe 11 Ti Single Crystals
  3. A Mo/Au Bilayer Transition Edge Sensor Modified with Normal Metal Structures
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  6. Investigation of the Double Superconducting Transition and Low-Temperature Specific Heat of Pr(Os 1-x Ru x ) 4 Sb 12
  7. Statistics of Quantum Turbulence in Superfluid He
  8. Adsorption of Helium Atoms on Two-Dimensional Substrates
  9. Calculation of Spin Glass Order Parameter in Spin Turbulence of Spin-1 Spinor Bose-Einstein Condensate
  10. The Glassy Response of Double Torsion Oscillators in Solid 4 He
  11. Specific Heat of the Monoclinic Rare Earth Double Tungstates
  12. High-Pressure and Electronic Band Structure Studies on Mo$$_{}$$BC
  13. The POLARBEAR-2 Experiment
  14. Development of the rf-SQUID Based Multiplexing System for the HOLMES Experiment
  15. Heat Capacity of Adsorbed Helium-3 at Ultra-Low Temperatures
  16. Structural and Superfluid Properties of the 4 He Monolayer on a C 28 Molecule
  17. Anisotropic Upper Critical Field of Iron-Based Superconductors
  18. Temporal Gain Correction for X-ray Calorimeter Spectrometers
  19. A Method to Increase the Lateral Reversible Region of Bulk YBCO Above a Permanent Magnet Guideway
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  27. Contact Potential Instability in the Path-Integral Description of Itinerant Ferromagnetism
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