"Finite size effect"의 두 판 사이의 차이
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* [[cosmological constant]]<br> | * [[cosmological constant]]<br> | ||
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* [http://www.amazon.com/Casimir-Effect-Critical-Systems/dp/9810218451 Casimir effect in critical systems]<br> | * [http://www.amazon.com/Casimir-Effect-Critical-Systems/dp/9810218451 Casimir effect in critical systems]<br> | ||
** Michael Krech | ** Michael Krech | ||
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* http://en.wikipedia.org/wiki/Casimir_effect | * http://en.wikipedia.org/wiki/Casimir_effect | ||
* http://en.wikipedia.org/wiki/Vacuum_energy | * http://en.wikipedia.org/wiki/Vacuum_energy | ||
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** H. W. J. Blöte, J. Cardy and M. P. Nightingale, Phys. Rev. Lett. 56, 742–745 (1986) | ** H. W. J. Blöte, J. Cardy and M. P. Nightingale, Phys. Rev. Lett. 56, 742–745 (1986) | ||
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2013년 2월 9일 (토) 15:34 판
introduction
- Casimir effect in QED is one example of finite size effect
- the stress on the bounding surfaces when quantum field is confined to finite volume of space
- type of boundaries
- real material media
- interface between two different phases of the vacuum of a field theory such as QCD, in which case colored field may only exist in the interior region
- topology of space
- the boundaries restrict the modes of the quantum fields
- give rise to measurable and important forces
how to compute the Casimir effect
- zero-point energy in the presence of the boundaries
- sum over all modes
- any kind of constraint or boudary conditions on the the zero-point modes of the quantum fields in question, including backgrounds such as gravity
- In a model without boundary conditions, the Hamiltonian value associated wih the vacuum or ground state, called zero-point energy, is usually discarded because, despite being infinite, may be reabsorbed in a suitable redefinition of the energy origin
- there are several ways to put such an adjustment into practice, normal ordering being oneof the most popular
- Green's functions method
- represents the vacuum expectation value of the produc of fields
QFT interpretation of the Casimir effect
표준적인 도서 및 추천도서
- 찾아볼 수학책
- The Casimir Effect: Physical Manifestations of Zero-Point Energy
- [1]Kimball A. Milton
- Conformal invariance and finite size effects in critical two dimensional statistical models
- Claude Itzykson
- Casimir effect in critical systems
- Michael Krech
encyclopedia
- http://ko.wikipedia.org/wiki/카시미르효과
- http://en.wikipedia.org/wiki/finite_size_effect
- http://en.wikipedia.org/wiki/Casimir_effect
- http://en.wikipedia.org/wiki/Vacuum_energy
articles
- Universal term in the free energy at a critical point and the conformal anomaly
- Ian Affleck, Phys. Rev. Lett. 56, 746–748 (1986)
- Conformal invariance, the central charge, and universal finite-size amplitudes at criticality
- H. W. J. Blöte, J. Cardy and M. P. Nightingale, Phys. Rev. Lett. 56, 742–745 (1986)