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Schwinger, Tomonaga, Feynman, and Dyson: the triumph of renormalization

JAGDISH MEHRA and KIMBALL A. MILTON

in Climbing the Mountain: The Scientific Biography of Julian Schwinger

Published in print:
2003
Published Online:
February 2010
ISBN:
9780198527459
eISBN:
9780191709593
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527459.003.0008
Subject:
Physics, History of Physics

Barely six months after the Shelter Island Conference, which reawakened his interest in quantum electrodynamics (QED), and just three months after returning to Harvard University from his extended ... More


Quantum electrodynamics and Julian Schwinger’s path to fame

JAGDISH MEHRA and KIMBALL A. MILTON

in Climbing the Mountain: The Scientific Biography of Julian Schwinger

Published in print:
2003
Published Online:
February 2010
ISBN:
9780198527459
eISBN:
9780191709593
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527459.003.0007
Subject:
Physics, History of Physics

In the beginning of June 1947, the Shelter Island Conference was held in New York to discuss the fundamental problems of quantum mechanics, of which J. Robert Oppenheimer was the acknowledged leader. ... More


The development of quantum electrodynamics until 1947: the historical background of Julian Schwinger’s work on QED

JAGDISH MEHRA and KIMBALL A. MILTON

in Climbing the Mountain: The Scientific Biography of Julian Schwinger

Published in print:
2003
Published Online:
February 2010
ISBN:
9780198527459
eISBN:
9780191709593
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527459.003.0006
Subject:
Physics, History of Physics

Prior to 1947, Julian Schwinger had not worked in quantum electrodynamics (QED), apart from his first unpublished paper ‘On the interaction of several electrons’. Before joining the City College of ... More


Climbing the Mountain: The Scientific Biography of Julian Schwinger

Jagdish Mehra and Kimball Milton

Published in print:
2003
Published Online:
February 2010
ISBN:
9780198527459
eISBN:
9780191709593
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527459.001.0001
Subject:
Physics, History of Physics

Julian Schwinger was one of the leading theoretical physicists of the 20th century. His contributions are as important, and as pervasive, as those of Richard Feynman, with whom he shared the 1965 ... More


Renormalization group and problem of radiation

Israel Michael Sigal

in Quantum Theory from Small to Large Scales: Lecture Notes of the Les Houches Summer School: Volume 95, August 2010

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199652495
eISBN:
9780191741203
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199652495.003.0012
Subject:
Physics, Atomic, Laser, and Optical Physics

The standard model of non-relativistic quantum electrodynamics describes non-relativistic quantum matter, such as atoms and molecules, coupled to the quantized electromagnetic field. Within this ... More


The diversions of a gentle genius

JAGDISH MEHRA and KIMBALL A. MILTON

in Climbing the Mountain: The Scientific Biography of Julian Schwinger

Published in print:
2003
Published Online:
February 2010
ISBN:
9780198527459
eISBN:
9780191709593
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527459.003.0016
Subject:
Physics, History of Physics

In November 1973 the UCLA Monthly, a periodical for faculty and students of the University of California at Los Angeles (UCLA), published an interview with Julian Schwinger. Since the interview ... More


Custodian of quantum field theory

JAGDISH MEHRA and KIMBALL A. MILTON

in Climbing the Mountain: The Scientific Biography of Julian Schwinger

Published in print:
2003
Published Online:
February 2010
ISBN:
9780198527459
eISBN:
9780191709593
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527459.003.0011
Subject:
Physics, History of Physics

Julian Schwinger had now scaled the peak of quantum electrodynamics (QED), not once, but three times, the last time by inventing a new approach to any quantum-mechanical system, the quantum dynamical ... More


The Nobel Prize and the last years at Harvard

JAGDISH MEHRA and KIMBALL A. MILTON

in Climbing the Mountain: The Scientific Biography of Julian Schwinger

Published in print:
2003
Published Online:
February 2010
ISBN:
9780198527459
eISBN:
9780191709593
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527459.003.0013
Subject:
Physics, History of Physics

As soon as Julian Schwinger burst upon the stage, one could hardly doubt that a Nobel Prize was in the offing. Certainly, after his solution of the problems of quantum electrodynamics in the late ... More


Open Quantum Electrodynamics

Heinz-Peter Breuer and Francesco Petruccione

in The Theory of Open Quantum Systems

Published in print:
2007
Published Online:
January 2010
ISBN:
9780199213900
eISBN:
9780191706349
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213900.003.12
Subject:
Physics, Theoretical, Computational, and Statistical Physics

In quantum electrodynamics, the matter degrees of freedom are coupled to the radiation field through a local, gauge-invariant interaction density. Due to the linear structure of this coupling, the ... More


Matter and Energy

Manfred Eigen

in From Strange Simplicity to Complex Familiarity: A Treatise on Matter, Information, Life and Thought

Published in print:
2013
Published Online:
May 2013
ISBN:
9780198570219
eISBN:
9780191748974
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570219.003.0001
Subject:
Physics, History of Physics

“We do not really know what energy is”. This was the conclusion of Richard Feynman, who in the 20th century contributed so much to our understanding of the nature of energy. The first chapter deals ... More


Origins II: Gestation and birth of interacting field theory: from Dirac to Shelter Island

Anthony Duncan

in The Conceptual Framework of Quantum Field Theory

Published in print:
2012
Published Online:
January 2013
ISBN:
9780199573264
eISBN:
9780191743313
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199573264.003.0002
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter highlights major breakthroughs in the history of quantum field theory. It focuses on studies which had a definitive impact in, firstly, the development of the formal structure of quantum ... More


MICROCAVITIES WITH QUANTUM DOTS: WEAK AND STRONG COUPLING REGIMES

Vladimir D. Kulakovskii and Alfred Forchel

in Problems of Condensed Matter Physics: Quantum coherence phenomena in electron-hole and coupled matter-light systems

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199238873
eISBN:
9780191716652
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199238873.003.0009
Subject:
Physics, Condensed Matter Physics / Materials

In connection with the cavity quantum electrodynamics, this chapter reviews the optical properties of a few mode semiconductor microcavity with embedded quantum dots. Both the weak (Purcell effect) ... More


The new ETH professor

Charles P. Enz

in No Time to be Brief: A scientific biography of Wolfgang Pauli

Published in print:
2002
Published Online:
January 2010
ISBN:
9780198564799
eISBN:
9780191713835
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198564799.003.0006
Subject:
Physics, History of Physics

This chapter begins with a discussion of the two important papers Pauli wrote with Heisenberg. The activity was stimulated by Dirac who on 2 February 1927 submitted his first paper on quantum ... More


REGULARIZATION OF FIELD THEORY AND CHIRAL ANOMALIES

Kazuo Fujikawa and Hiroshi Suzuki

in Path Integrals and Quantum Anomalies

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198529132
eISBN:
9780191712821
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198529132.003.0004
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter illustrates the regularization of field theory by taking quantum electrodynamics (QED) as an example, showing that the mass of the photon remains at 0 even after higher-order quantum ... More


Sublime Marvel

Gian Francesco Giudice

in A Zeptospace Odyssey: A Journey into the Physics of the LHC

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199581917
eISBN:
9780191723001
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199581917.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The modern theory of particle physics, called the Standard Model, describes electromagnetic, weak, and strong forces and all known forms of matter in terms a single conceptual principle. This chapter ... More


Seeing light in subtle ways

Serge Haroche and Jean-Michel Raimond

in Exploring the Quantum: Atoms, Cavities, and Photons

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198509141
eISBN:
9780191708626
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198509141.003.0006
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter describes two cavity quantum electrodynamics (CQED) studies guided by the spirit of thought experiments. The first one is a direct implementation of the recoiling slit interferometer ... More


Taming Schrödinger’s cat

Serge Haroche and Jean-Michel Raimond

in Exploring the Quantum: Atoms, Cavities, and Photons

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198509141
eISBN:
9780191708626
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198509141.003.0007
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter is devoted to the physics of cavity quantum electrodynamics (CQED) cats. After a brief reminder about the Schrödinger cat problem in quantum optics, it describes how a single atom ... More


Photons in a box

Serge Haroche and Jean-Michel Raimond

in Exploring the Quantum: Atoms, Cavities, and Photons

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198509141
eISBN:
9780191708626
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198509141.003.0005
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter discusses the experimental methods developed in the field of cavity quantum electrodynamics (CQED). Section 5.1 presents a short history of CQED. Section 5.2 describes the circular ... More


Drawing Theories Apart: The Dispersion of Feynman Diagrams in Postwar Physics

David Kaiser

Published in print:
2005
Published Online:
March 2013
ISBN:
9780226422664
eISBN:
9780226422657
Item type:
book
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226422657.001.0001
Subject:
History, History of Science, Technology, and Medicine

Feynman diagrams have revolutionized nearly every aspect of theoretical physics since the middle of the twentieth century. Introduced by the American physicist Richard Feynman (1918–88) soon after ... More


Applications to Quantum Optical Systems

Heinz-Peter Breuer and Francesco Petruccione

in The Theory of Open Quantum Systems

Published in print:
2007
Published Online:
January 2010
ISBN:
9780199213900
eISBN:
9780191706349
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213900.003.08
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter deals with a presentation of continuous measurement theory on the basis of the microscopic equations of quantum electrodynamics. The emphasis lies on the derivation of the quantum ... More


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