TY - JOUR
T1 - Statistical properties of the first excited state of an interacting many-particle disordered system
AU - Berkovits, Richard
AU - Gefen, Yuval
AU - Lerner, Igor V.
AU - Altshuler, Boris L.
PY - 2003
Y1 - 2003
N2 - The distribution P1 of the first many-body excitation energy of a weakly and moderately interacting electron gas in a finite conductor (in the diffusive regime) is calculated. As the interaction is increased, P1 crosses over from Wigner-Dyson to Poisson distributions. We characterize this transition through the inverse participation ratio in Hilbert space, and examine its manifestation in a projected two-dimensional space.
AB - The distribution P1 of the first many-body excitation energy of a weakly and moderately interacting electron gas in a finite conductor (in the diffusive regime) is calculated. As the interaction is increased, P1 crosses over from Wigner-Dyson to Poisson distributions. We characterize this transition through the inverse participation ratio in Hilbert space, and examine its manifestation in a projected two-dimensional space.
UR - http://www.scopus.com/inward/record.url?scp=14644423633&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.68.085314
DO - 10.1103/PhysRevB.68.085314
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AN - SCOPUS:14644423633
SN - 1098-0121
VL - 68
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 8
ER -