A supersymmetric multicritical point in a model of lattice fermions

نویسندگان

  • Bela Bauer
  • Liza Huijse
  • Erez Berg
  • Matthias Troyer
  • Kareljan Schoutens
چکیده

Bela Bauer, Liza Huijse, Erez Berg, Matthias Troyer, and Kareljan Schoutens Station Q, Microsoft Research, Santa Barbara, CA 93106-6105, USA Department of Physics, Harvard University, Cambridge MA 02138 Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot 76100, Israel Theoretische Physik, ETH Zurich, 8093 Zurich, Switzerland Institute for Theoretical Physics, University of Amsterdam, Science Park 904, P.O.Box 94485, 1090 GL Amsterdam, The Netherlands

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Location of the Multicritical Point for the Ising Spin Glass on the Triangular and Hexagonal Lattices

A conjecture is given for the exact location of the multicritical point in the phase diagram of the ±J Ising model on the triangular lattice. The result pc = 0.8358058 agrees well with a recent numerical estimate. From this value, it is possible to derive a comparable conjecture for the exact location of the multicritical point for the hexagonal lattice, pc = 0.9327041, again in excellent agree...

متن کامل

Location of the Multicritical Point for the Ising Spin Glasses on the Triangular and Hexagonal Lattices

A conjecture is given for the exact location of the multicritical point in the phase diagram of the ±J Ising model on the triangular lattice. The result pc = 0.8358058 agrees well with a recent numerical estimate. From this value, it is possible to derive a comparable conjecture for the exact location of the multicritical point for the hexagonal lattice, pc = 0.9327041, again in excellent agree...

متن کامل

Supersymmetric Model of Spin-1/2 Fermions on a Chain

In recent work,N = 2 supersymmetry has been proposed as a tool for the analysis of itinerant, correlated fermions on a lattice. In this paper we extend these considerations to the case of lattice fermions with spin 1/2 . We introduce a model for correlated spin-1/2 fermions with a manifest N = 4 supersymmetry, and analyze its properties. The supersymmetric ground states that we find represent h...

متن کامل

Identification of a polymer growth process with an equilibrium multicritical collapse phase transition: the meeting point of swollen, collapsed, and crystalline polymers.

We have investigated a polymer growth process on the triangular lattice where the configurations produced are self-avoiding trails. We show that the scaling behavior of this process is similar to the analogous process on the square lattice. However, while the square lattice process maps to the collapse transition of the canonical interacting self-avoiding trail (ISAT) model on that lattice, the...

متن کامل

Lattice models with N=2 supersymmetry.

We introduce lattice models with explicit N=2 supersymmetry. In these interacting models, the supersymmetry generators Q+/- yield the Hamiltonian H=(Q(+),Q(-)) on any graph. The degrees of freedom can be described as either fermions with hard cores, or as quantum dimers; the Hamiltonian of our simplest model contains a hopping term and a repulsive potential. We analyze these models using confor...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2013