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Indefinite Metric and Stationary External Interactions of Quantized Fields

Journal Article · · Physical Review. D, Particles Fields
 [1];  [2]
  1. Univ. of Pittsburgh, PA (United States)
  2. Univ. of Sao Paulo (Brazil)
+ Show Author Affiliations

Here we discuss the necessary modifications of the state space for quantum fields interacting with strong stationary external fields. In addition to the introduction of an indefinite metric, we discuss the possibility of having a positive-definite metric without a vacuum state.

Research Organization:
Univ. of Pittsburgh, PA (United States); Univ. of Sao Paulo (Brazil)
Sponsoring Organization:
US Atomic Energy Commission (AEC)
NSA Number:
NSA-24-026479
OSTI ID:
4154019
Alternate ID(s):
OSTI ID: 4081440
Report Number(s):
NYO--3829-48
Journal Information:
Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 12 Vol. 2; ISSN 0556-2821
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

References (7)

Fock representation and massless particles journal June 1966
Negative metric and the unitarity of the S-matrix journal February 1969
Hamiltonian Formalism and the Canonical Commutation Relations in Quantum Field Theory journal November 1960
Propagation and Quantization of Rarita-Schwinger Waves in an External Electromagnetic Potential journal October 1969
Noncausality and Other Defects of Interaction Lagrangians for Particles with Spin One and Higher journal December 1969
On The Existence of Stationary States of the Mesotron Field journal February 1940
Problems of Stability for Quantum Fields in External Time-Dependent Potentials journal December 1970

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Related Subjects

ELEMENTARY PARTICLES
FIELD THEORY
INTERACTIONS
KLEIN-GORDON EQUATION
MOTION
QUANTUM FIELD THEORY
QUANTUM MECHANICS
Quantum Field Theory
RELATIVITY THEORY
Theoretical Physics