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Phase-Space Quantization of Field Theory
Author(s) -
Cosmas Zachos,
Thomas Curtright
Publication year - 1999
Publication title -
progress of theoretical physics supplement
Language(s) - English
Resource type - Journals
ISSN - 0375-9687
DOI - 10.1143/ptps.135.244
Subject(s) - phase space , wigner distribution function , optical phase space , gauge theory , quantization (signal processing) , physics , harmonic oscillator , scalar field , introduction to gauge theory , field (mathematics) , quantum field theory , quantum mechanics , simple harmonic motion , theoretical physics , classical mechanics , mathematics , quantum , coherent states , pure mathematics , squeezed coherent state , algorithm
In this lecture, a limited introduction of gauge invariance in phase-space isprovided, predicated on canonical transformations in quantum phase-space. Exactcharacteristic trajectories are also specified for the time-propagating Wignerphase-space distribution function: they are especially simple - indeed,classical - for the quantized simple harmonic oscillator. This serves as theunderpinning of the field theoretic Wigner functional formulation introduced.Scalar field theory is thus reformulated in terms of distributions in fieldphase-space. This is a pedagogical selection from work published in J Phys A32(1999) 771 and Phys Rev D58 (1998) 025002, reported at the Yukawa InstituteWorkshop "Gauge Theory and Integrable Models", 26-29 January, 1999.Comment: 14 pages, LaTeX, 1 eps figure, epsf.sty, ptptex.sty, ptp-text.sty Reported at the YITP Workshop "Gauge Theory and Integrable Models", 26-29 January, 1999. References added and graphics update

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