English
Related papers

Related papers: Summary of Super Doubler Approach on Exact Lattice…

200 papers

We propose an algebraic lattice supersymmetry formulation which has an exact supersymmetry on the lattice. We show how lattice version of chiral conditions can be imposed to satisfy an exact lattice supersymmetry algebra. The species…

High Energy Physics - Lattice · Physics 2015-05-28 Alessandro D'Adda , Issaku Kanamori , Noboru Kawamoto , Jun Saito

We propose a lattice field theory formulation which overcomes some fundamental difficulties in realizing exact supersymmetry on the lattice. The Leibniz rule for the difference operator can be recovered by defining a new product on the…

High Energy Physics - Lattice · Physics 2018-04-18 Alessandro D'Adda , Noboru Kawamoto , Jun Saito

Supersymmetric lattice Ward-Takahashi identities are investigated perturbatively up to two-loop corrections for super doubler approach of $N=2$ lattice Wess-Zumino models in 1- and 2-dimensions. In this approach notorious chiral fermion…

High Energy Physics - Lattice · Physics 2016-09-21 Keisuke Asaka , Alessandro D'Adda , Noboru Kawamoto , Yoshi Kondo

We propose a lattice action for two dimensional super Yang-Mills theory with a twisted N=2 supersymmetry. The extended supersymmetry is fully and exactly realized on the lattice. The method employed is quite general and its extension to the…

High Energy Physics - Lattice · Physics 2009-11-11 Alessandro D'Adda , Issaku Kanamori , Noboru Kawamoto , Kazuhiro Nagata

We propose a new lattice superfield formalism in momentum representation which accommodates species doublers of the lattice fermions and their bosonic counterparts as super multiplets. We explicitly show that one dimensional N=2 model with…

High Energy Physics - Lattice · Physics 2014-11-21 Alessandro D'Adda , Alessandra Feo , Issaku Kanamori , Noboru Kawamoto , Jun Saito

Supersymmetry (SUSY) and supersymmetric field theories are an interesting topic for numerical lattice simulations. Similar to the chiral symmetry there is also no local realization of (interacting) supersymmetry on the lattice. I briefly…

High Energy Physics - Lattice · Physics 2011-04-08 Georg Bergner

We propose a new lattice superfield formalism in momentum representation which accommodates species doublers of the lattice fermions and their bosonic counterparts as super multiplets. We explicitly show that one dimensional $N=2$ model…

High Energy Physics - Lattice · Physics 2011-04-07 Alessandro D'Adda , Alessandra Feo , Issaku Kanamori , Noboru Kawamoto , Jun Saito

We construct SU($N$) super Yang-Mills theories with extended supersymmetry on hypercubic lattices of various dimensions keeping one or two supercharges exactly. It is based on topological field theory formulation for the super Yang-Mills…

High Energy Physics - Lattice · Physics 2009-11-10 Fumihiko Sugino

We discuss a new approach to putting supersymmetric theories on the lattice. The basic idea is to start from a {\it twisted} formulation of the underlying supersymmetric theory in which the fermions are represented as grassmann valued…

High Energy Physics - Lattice · Physics 2016-09-01 Simon Catterall

In this paper we propose a new approach to formulate the field theory on a lattice. This approach can eliminate the Fermion doubling problem, preserve the chiral symmetry and get the same dispersion relation for both Fermion and Boson…

High Energy Physics - Lattice · Physics 2007-05-23 Bo Feng , Jianming Li , Xingchang Song

We present a lattice formulation which gives super Yang-Mills theories in any dimensions with simple supersymmetry as well as extended supersymmetry in the continuum limit without fine-tuning. We first formulate super Yang-Mills theories…

High Energy Physics - Theory · Physics 2009-10-30 Nobuhito Maru , Jun Nishimura

Supersymmetry is one of the possible scenarios for physics beyond the standard model. The building blocks of this scenario are supersymmetric gauge theories. In our work we study the $\mathcal{N}=1$ Super-Yang-Mills (SYM) theory with gauge…

High Energy Physics - Lattice · Physics 2018-04-18 Daniel August , Björn Wellegehausen , Andreas Wipf

The $SU(N_f)_L \otimes SU(N_f)_R$ chiral symmetry of QCD is of central importance for the nonperturbative low-energy dynamics of light quarks and gluons. Lattice field theory provides a theoretical framework in which these dynamics can be…

High Energy Physics - Lattice · Physics 2009-11-10 S. Chandrasekharan , U. -J. Wiese

We construct a lattice action for ${\cal N}=4$ super Yang-Mills theory in four dimensions which is local, gauge invariant, free of spectrum doubling and possesses a single exact supersymmetry. Our construction starts from the observation…

High Energy Physics - Lattice · Physics 2009-11-11 Simon Catterall

We construct super Yang-Mills theories with extended supersymmetry on hypercubic lattices of various dimensions keeping one or two supercharges exactly. Gauge fields are represented by ordinary unitary link variables, and the exact…

High Energy Physics - Lattice · Physics 2009-11-10 Fumihiko Sugino

We present results from a lattice study of SU(2) color, N=1 supersymmetric Yang-Mills theory using domain wall fermions. Supersymmetry in this particular lattice formulation is expected to emerge in the continuum and chiral limits without…

High Energy Physics - Lattice · Physics 2010-01-21 Michael G. Endres

In the framework of the so called link approach we study exact lattice supersymmetry for the simplest supersymmetric model: N=1 supersymmetry in D=1. The model is described by a lattice with spacing a/2, thus containing twice as many sites…

High Energy Physics - Lattice · Physics 2010-11-05 Alessandro D'Adda , Alessandra Feo , Issaku Kanamori , Noboru Kawamoto , Jun Saito

We have recently proposed a new lattice SUSY formulation which has exact lattice supersymmetry for Wess-Zumino models in one and two dimensions for all N=2 supercharges. This formulation is non-local in the coordinate space but the…

High Energy Physics - Lattice · Physics 2013-02-14 Keisuke Asaka , Alessandro D'Adda , Noboru Kawamoto , Yoshi Kondo

We present a lattice formulation for two-dimensional N=(2,2) and (4,4) supersymmetric Yang-Mills theories that resolves vacuum degeneracy for gauge fields without imposing admissibility conditions. Cases of U(N) and SU(N) gauge groups are…

High Energy Physics - Lattice · Physics 2015-06-18 So Matsuura , Fumihiko Sugino

We propose an unconventional formulation of lattice field theories which is quite general, although originally motivated by the quest of exact lattice supersymmetry. Two long standing problems have a solution in this context: 1) Each degree…

High Energy Physics - Lattice · Physics 2018-01-17 Alessandro D'Adda , Noboru Kawamoto , Jun Saito
‹ Prev 1 2 3 10 Next ›