On the unitarily inequivalent representations in the quantum field theory and the many body problem

1965 ◽  
Vol 19 (1-4) ◽  
pp. 29-44 ◽  
Author(s):  
J. T. Lopuszanski
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Body Problem ◽  
Quantum Field ◽  
Many Body ◽  
Unitarily Inequivalent Representations ◽  
The Many ◽  
Inequivalent Representations

QLB for Quantum Many-Body and Quantum Field Theory

2018 ◽  
Author(s):  
Sauro Succi
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Quantum Mechanics ◽  
Quantum Computing ◽  
Single Particle ◽  
Body Problem ◽  
Three Dimensions ◽  
Quantum Field ◽  
Many Body ◽  
Quantum Particles

Chapter 32 expounded the basic theory of quantum LB for the case of relativistic and non-relativistic wavefunctions, namely single-particle quantum mechanics. This chapter goes on to cover extensions of the quantum LB formalism to the overly challenging arena of quantum many-body problems and quantum field theory, along with an appraisal of prospective quantum computing implementations. Solving the single particle Schrodinger, or Dirac, equation in three dimensions is a computationally demanding task. This task, however, pales in front of the ordeal of solving the Schrodinger equation for the quantum many-body problem, namely a collection of many quantum particles, typically nuclei and electrons in a given atom or molecule.

Many-Body Problem in Quantum Field Theory

1957 ◽  
Vol 108 (1) ◽  
pp. 126-138 ◽  
Author(s):  
Abraham Klein ◽  
Charles Zemach
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Body Problem ◽  
Quantum Field ◽  
Many Body

scholarly journals Many-body Problem in Quantum Field Theory

1953 ◽  
Vol 10 (5) ◽  
pp. 549-574 ◽  
Author(s):  
Kazuhiko Nishijima
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Body Problem ◽  
Quantum Field ◽  
Many Body

scholarly journals Many-Body Problem in Quantum Field Theory, III

1955 ◽  
Vol 13 (3) ◽  
pp. 305-328 ◽  
Author(s):  
Kazuhiko Nishijima
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Body Problem ◽  
Quantum Field ◽  
Many Body

scholarly journals Many-body Problem in Quantum Field Theory, II

1954 ◽  
Vol 12 (3) ◽  
pp. 279-310 ◽  
Author(s):  
Kazuhiko Nishijima
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Body Problem ◽  
Quantum Field ◽  
Many Body

scholarly journals ON THE QUANTUM THEORY OF MASSLESS SPIN-3/2 FIELD IN MINKOWSKI SPACETIME

2006 ◽  
Vol 03 (07) ◽  
pp. 1303-1312 ◽  
Author(s):  
WEIGANG QIU ◽  
FEI SUN ◽  
HONGBAO ZHANG
Keyword(s):  
Field Theory ◽  
Quantum Field Theory ◽  
Quantum Theory ◽  
Casimir Effect ◽  
Minkowski Spacetime ◽  
Quantum Field ◽  
Explicit Result ◽  
Massless Spin ◽  
The Many ◽  
The One

From the modern viewpoint and by the geometric method, this paper provides a concise foundation for the quantum theory of massless spin-3/2 field in Minkowski spacetime, which includes both the one-particle's quantum mechanics and the many-particle's quantum field theory. The explicit result presented here is useful for the investigation of spin-3/2 field in various circumstances such as supergravity, twistor programme, Casimir effect, and quantum inequality.

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