chameleonic theories: a short review

النظريات الحربائية: مراجعة موجزة

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ID: 201373
2015
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Abstract
In the chameleon mechanism, a field (typically scalar) has a mass that depends on the matter density of the environment: the larger is the matter density, the larger is the mass of the chameleon. We briefly review some aspects of chameleonic theories. In particular, in a typical class of these theories, we discuss the lagrangian, the role of conformal transformations, the equation of motion and the thin-shell effect. We also discuss f ( R ) theories and chameleonic quantum gravity.
في آلية الحرباء، يمتلك الحقل (وهو حقل قياسي عادةً) كتلة تعتمد على كثافة مادة الوسط المحيط: فكلما زادت كثافة المادة، زادت كتلة حقل الحرباء. نستعرض بإيجاز بعض جوانب النظريات الحربائية. وعلى وجه التحديد، نناقش، ضمن فئة نموذجية من هذه النظريات، دالة لاغرانج، ودور التحويلات الامتثالية، ومعادلة الحركة، وتأثير القشرة الرقيقة. كما نناقش أيضًا نظريات f(R) والجاذبية الكمومية الحربائية.
Reference Key
zanzi2015universechameleonic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Andrea Zanzi
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Journal smart innovation, systems and technologies
Year 2015
DOI
10.3390/universe1030446
URL
http://www.mdpi.com/2218-1997/1/3/446
Keywords Keywords not found

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