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We explain how a condensate forms in finite time by a selfsimilar blow-up of the solution of the relevant quantum Boltzmann kinetic equation for a dilute quantum Bose gas. The condensate, once it is… (More)

Abstract We compare the efficiency of four different algorithms to compute the overlap Dirac operator, both for the speed, i.e., time required to reach a desired numerical accuracy, and for the… (More)

The free energy of the Potts model : from the continuous to the first-order transition region. ABSTRACT We present a large q expansion of the 2d q-states Potts model free energies up to order 9 in 1/… (More)

We measure the critical exponents of the three dimensional Gross-Neveu model with two four-component fermions. The exponents are inferred from the scaling behaviour of observables on lattice sizes 8… (More)

We investigate mesonic screening correlators at T = 2Tc using the overlap fermions in the quenched approximation, where Tc is the QCD phase transition temperature. Using lattices with temporal extent… (More)

We develop an ansatz for expressing the free energy of the two dimensional q-states Potts model for q > 4 near its first order phase transition point. We notice that for the moderate values of q 15,… (More)

- Tanmoy Bhattacharya, Alain Billoire, Robert Lacaze, Th. Jolicoeur
- 1993

We estimate, using a large-scale Monte Carlo simulation, trie critical exponents of the antiferromagnetic Heisenberg mortel on a stacked triangular lattice. We obtain the following estimates: ~/v =… (More)

- Karlo Penc, Robert Lacaze
- 1999

– The low energy spectrum of the ferromagnetic Kondo lattice model on a N-site complete graph extended with on-site repulsion is obtained from the underlying spl(2,1) algebra properties in the strong… (More)

- Christine Bouchet, Jean Luc Magne, Robert Lacaze, Delphine Lebrun, Alain Franco, H Guidicelli
- Journal des maladies vasculaires
- 1986

Popliteal vein aneurysm, a rarely observed, apparently benign lesion may nevertheless be the cause of disabling pulmonary emboli. Two personal cases and 13 reported in the literature are reviewed.… (More)

- Olivier Golinelli, Th. Jolicœur, Robert Lacaze
- 1992

We study the dynamic spin correlation function of a spin one antiferromagnetic chain with easy-plane single-ion anisotropy. We use exact diagonalization by the Lancz˝ os method for chains of lengths… (More)