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To Martin C. Gutzwiller on His Seventy-Fifth Birthday

Akira Inomata, Lawrence S. Schulman, Frank Steiner, D. Vollhardt, Alwyn van der Merwe

Published Jan 1, 2000• 0 citations
OpenAlex

Abstract

Martin C. Gutzwiller has made groundbreaking contributions in several fundamental areas of physics. These works range from the Gutzwiller wave function for strongly correlated electrons to the likewise eponymous trace formula, powerful for quantization of chaotic systems, and mathematical studies of the orbit of the moon. His interests also include the history of classical and quantum mechanics. In recognition of the high esteem that Martin enjoys among his peers, we tried to reach out to those who have been inspired by Martin's works and put forth a festschrift honoring our distinguished colleague on the occasion of his 75th birthday in October of 2000 in the following few special issues of Foundations of Physics. The first issue contains a collection of papers related to Solid State Physics, and the remaining issues will cover mostly other areas of physics. All the contributions appearing in the Gutzwiller special issues are invited papers dedicated to Martin Gutzwiller. We are delighted to be able to celebrate Martin's 75th birthday together in this festschrift. Martin, Happy Birthday and Many Happy Returns!

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The Quantum Universe

Stephen L Adler, Angelo Bassi, Fay Dürr

This special issue of Journal of Physics A: Mathematical and Theoretical entitled 'The Quantum Universe' is dedicated to Professor Giancarlo Ghirardi on the occasion of his 70th birthday. Giancarlo Ghirardi has made many important contributions to the foundations of quantum mechanics including the celebrated Ghirardi–Rimini–Weber (GRW) model of spontaneous wavefunction collapse. However, although Professor Ghirardi's birthday is the inspiration for this issue, it has a much broader scope than the area traditionally known as Foundations of Quantum Mechanics. All invited authors are experts in areas of physics in which quantum theory is fundamental: non relativistic quantum mechanics, quantum computation and information, quantum field theory, quantum gravity, quantum cosmology and philosophy of science. The issue was conceived as an opportunity for workers in these diverse areas to share with the widest possible readership their views on quantum theory. Authors were encouraged to give their personal assessment of the role of quantum theory in their work particularly as it pertains to a vision of the global aims of their research. The articles are accessible to any physicist with a solid knowledge of quantum mechanics, and many contain an emphasis on conceptual developments, both those achieved and those hoped for. One theme that runs throughout Giancarlo Ghirardi's contributions to science is the unity of physics: the development of the GRW model itself was motivated by the conviction that the same physics should govern microscopic and macroscopic systems. However, readers of this special issue will clearly see that there is no unity as yet in the views of workers on fundamental quantum theories. Indeed the diversity of the articles, ranging from technical developments in well defined approaches, to new proposals for interpretations of quantum mechanics, indicates the state of fundamental physics: healthily active and yet lacking the consensus we seek in science. Much work clearly remains and this volume has the potential to be a lasting reference recording the achievements of, and crucial further challenges for, our quantum community.

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GUTZWILLER-TYPE WAVE FUNCTIONS FOR CORRELATED FERMIONS

D. Vollhardt, P. G. J. van Dongen, Florian Gebhard +1 more

In the last few years significant theoretical progress has been made in our understanding of the physics and quality of Gutzwiller-type variational wave functions for correlated Fermi systems. In particular, new analytic techniques are now available that allow for exact evaluations of expectation values. A brief review of the state-of-the-art is presented.

Modern Physics Letters B•Apr 20, 1990•20 citations

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WORLD SCIENTIFIC eBooks•Jan 1, 1992•2 citations
Martin C. Gutzwiller has made groundbreaking contributions in several fundamental areas of physics. These works range from the Gutzwiller wave function for strongly correlated electrons to the likewise eponymous trace formula, powerful for quantization of chaotic systems, and mathematical studies of the orbit of the moon. His interests also include the history of classical and quantum mechanics. In recognition of the high esteem that Martin enjoys among his peers, we tried to reach out to those who have been inspired by Martin's works and put forth a festschrift honoring our distinguished colleague on the occasion of his 75th birthday in October of 2000 in the following few special issues of Foundations of Physics. The first issue contains a collection of papers related to Solid State Physics, and the remaining issues will cover mostly other areas of physics. All the contributions appearing in the Gutzwiller special issues are invited papers dedicated to Martin Gutzwiller. We are delighted to be able to celebrate Martin's 75th birthday together in this festschrift. Martin, Happy Birthday and Many Happy Returns!
This Reprint honors Professor Viktor Dodonov and his 55 years of contributions to quantum physics. It collects current research related to central themes of his work, including nonstationary quantum systems, the dynamical Casimir effect, quantum optics, nonclassical states, phase-space methods, uncertainty relations, decoherence, and time-dependent dynamics. The contributions cover foundational, mathematical, and applied aspects of quantum theory, with topics ranging from qubits and coherent states to semiclassical dynamics, quantum fields, and open systems. Together, they reflect the continuing influence of Dodonov's work on modern quantum physics.
This special issue of Journal of Physics A: Mathematical and Theoretical entitled 'The Quantum Universe' is dedicated to Professor Giancarlo Ghirardi on the occasion of his 70th birthday. Giancarlo Ghirardi has made many important contributions to the foundations of quantum mechanics including the celebrated Ghirardi–Rimini–Weber (GRW) model of spontaneous wavefunction collapse. However, although Professor Ghirardi's birthday is the inspiration for this issue, it has a much broader scope than the area traditionally known as Foundations of Quantum Mechanics. All invited authors are experts in areas of physics in which quantum theory is fundamental: non relativistic quantum mechanics, quantum computation and information, quantum field theory, quantum gravity, quantum cosmology and philosophy of science. The issue was conceived as an opportunity for workers in these diverse areas to share with the widest possible readership their views on quantum theory. Authors were encouraged to give their personal assessment of the role of quantum theory in their work particularly as it pertains to a vision of the global aims of their research. The articles are accessible to any physicist with a solid knowledge of quantum mechanics, and many contain an emphasis on conceptual developments, both those achieved and those hoped for. One theme that runs throughout Giancarlo Ghirardi's contributions to science is the unity of physics: the development of the GRW model itself was motivated by the conviction that the same physics should govern microscopic and macroscopic systems. However, readers of this special issue will clearly see that there is no unity as yet in the views of workers on fundamental quantum theories. Indeed the diversity of the articles, ranging from technical developments in well defined approaches, to new proposals for interpretations of quantum mechanics, indicates the state of fundamental physics: healthily active and yet lacking the consensus we seek in science. Much work clearly remains and this volume has the potential to be a lasting reference recording the achievements of, and crucial further challenges for, our quantum community.