201 citations · 1.3k across the 82 of their papers we have counts for
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Partial continuum limit of the 2D Hubbard model
Jonas de Woul, Edwin Langmann
An effective quantum field theory of the 2D Hubbard model on a square lattice near half-filling is presented and studied. This effective model describes so-called nodal and antinod…
Universal and nonuniversal features of Bardeen-Cooper-Schrieffer theory with finite-range interactions
Edwin Langmann, Christopher Triola
We study analytic solutions to the Bardeen-Cooper-Schrieffer (BCS) gap equation for isotropic superconductors with finite-range interaction potentials over the full range of temper…
Closed-form propagator of the Calogero model
Valdemar Melin, Edwin Langmann
We present an exact closed-form expression for the propagator of the Calogero model, i.e., for the integral kernel of the time evolution operator of the quantum many-body system on…
Conformal field theory, solitons, and elliptic Calogero--Sutherland models
Bjorn K. Berntson, Edwin Langmann, Jonatan Lenells
We construct a non-chiral conformal field theory (CFT) on the torus that accommodates a second quantization of the elliptic Calogero-Sutherland (eCS) model. We show that the CFT op…