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The generalized uncertainty principle (GUP) is a gravitational correction of Heisenberg's uncertainty principle, which allows us to probe some features of quantum gravity even without the full theory. We are used to working with metric…

广义相对论与量子宇宙学 · 物理学 2023-03-21 Yen Chin Ong

The existence of a minimal length is a common prediction of various theories of quantum gravity. This minimal length leads to a modification of the Heisenberg uncertainty principle to a Generalized Uncertainty Principle (GUP). Various…

广义相对论与量子宇宙学 · 物理学 2015-11-05 Ahmed Farag Ali , Mohammed M. Khalil , Elias C. Vagenas

Quantum gravity theories predict a minimal length at the order of magnitude of the Planck length, under which the concepts of space and time lose every physical meaning. In quantum mechanics, the insurgence of such minimal length can be…

量子物理 · 物理学 2016-07-08 Matteo A. C. Rossi , Tommaso Giani , Matteo G. A. Paris

The Generalized Uncertainty Principle (GUP) stands out as a nearly ubiquitous feature in quantum gravity modeling, predicting the emergence of a minimum length at the Planck scale. Recently, it has been shown to modify the area-law scaling…

广义相对论与量子宇宙学 · 物理学 2025-02-17 Giuseppe Gaetano Luciano , Yassine Sekhmani

The cosmological particle horizon is the maximum measurable length in the Universe. The existence of such a maximum observable length scale implies a modification of the quantum uncertainty principle. Thus due to non-locality of quantum…

广义相对论与量子宇宙学 · 物理学 2017-06-07 L. Perivolaropoulos

We present a novel generalization of the Heisenberg uncertainty principle which introduces the existence of a maximal observable momentum and at the same time does not entail a minimal indeterminacy in position. The above result is an exact…

高能物理 - 理论 · 物理学 2021-07-07 Luciano Petruzziello

This paper proposes a new high-order generalized uncertainty principle, which can modify the momentum operator and position operator simultaneously. Moreover, the new form of GUP is consistent with the viewpoint of the existence of the…

量子物理 · 物理学 2020-08-06 Zi-Long Zhao , Qi-Kang Ran , Hassan Hassanabadi , Yi Yang , Hao Chen , Zheng-Wen Longa

We argue that in the Generalized Uncertainty Principle (GUP) model, the parameter $\beta_0$ whose square root, multiplied by Planck length $\ell_p$, approximates the minimum measurable distance, varies with energy scales. Since minimal…

高能物理 - 理论 · 物理学 2015-05-14 Benrong Mu , Houwen Wu , Haitang Yang

The existence of a minimum observable length and/or a maximum observable momentum is in agreement with various candidates of quantum gravity such as string theory, loop quantum gravity, doubly special relativity and black hole physics. In…

高能物理 - 理论 · 物理学 2011-03-28 Pouria Pedram , Kourosh Nozari , S. H. Taheri

Theories of Quantum Gravity as well as string theory suggest the existence of a minimal measurable length and the related Generalized Uncertainty Principle (GUP). The universality of Quantum Gravity implies that the GUP influences every…

高能物理 - 唯象学 · 物理学 2024-06-04 M. M. Ettefaghi

Based on string theory, black hole physics, doubly special relativity and some "thought" experiments, minimal distance and/or maximum momentum are proposed. As alternatives to the generalized uncertainty principle (GUP), the modified…

综合物理 · 物理学 2015-11-04 Abdel Nasser Tawfik , Abdel Magied Diab

Various approaches to quantum gravity, such as string theory, predict a minimal measurable length and a modification of the Heisenberg Uncertainty Principle near the Plank scale, known as the Generalized Uncertainty Principle (GUP). Here we…

高能物理 - 理论 · 物理学 2014-11-04 Fatemeh Ahmadi , Jafar Khodagholizadeh

The prediction of a minimal length scale by various quantum gravity candidates (such as string/M theory, Doubly Special Relativity, Loop Quantum Gravity and others) have suggested modification of Heisenberg Uncertainty Principle (HUP),…

广义相对论与量子宇宙学 · 物理学 2024-12-02 Gaurav Bhandari , S. D. Pathak , Manabendra Sharma , Anzhong Wang

The effects of the generalized uncertainty principle (GUP) on the low-energy stationary states of a particle moving in a cavity with no sharp boundaries are determined by means of the perturbation expansion in the framework of…

高能物理 - 理论 · 物理学 2015-06-23 K. Sailer , Z. Peli , S. Nagy

One can use the generalized uncertainty principle (GUP) to incorporate the minimum measurable length in quantum gravity. It may be interesting to have a minimal time interval as well as the minimal length in the relativistic version of…

综合物理 · 物理学 2020-10-07 M. Seifi , A. S. Sefiedgar

We show that the existence of a minimum measurable length and the related Generalized Uncertainty Principle (GUP), predicted by theories of Quantum Gravity, influence all quantum Hamiltonians. Thus, they predict quantum gravity corrections…

高能物理 - 理论 · 物理学 2008-12-18 Saurya Das , Elias C. Vagenas

One of the main challenges in physics today is to merge quantum theory and the theory of general relativity into a unified framework. Various approaches towards developing such a theory of quantum gravity are pursued, but the lack of…

量子物理 · 物理学 2012-06-06 Igor Pikovski , Michael R. Vanner , Markus Aspelmeyer , Myungshik Kim , Caslav Brukner

In this work, we consider generalized uncertainty principles (GUPs) that incorporate a minimal length through generic momentum-dependent deformation functions. We thus develop a systematic approach connecting such a framework to effective…

广义相对论与量子宇宙学 · 物理学 2026-05-19 Rocco D'Agostino , Pasquale Bosso , Giuseppe Gaetano Luciano

Various theories of quantum gravity predict the existence of a minimum length scale, which implies the Planck-scale modifications of the Heisenberg uncertainty principle to a so-called generalized uncertainty principle (GUP). Previous…

广义相对论与量子宇宙学 · 物理学 2017-04-28 Dongfeng Gao , Mingsheng Zhan

In this work, we consider a resonant bar detector of gravitational wave in the generalized uncertainty principle (GUP) framework with linear and quadratic momentum uncertainties. The phonon modes in these detectors vibrate due to the…

广义相对论与量子宇宙学 · 物理学 2024-04-26 Sukanta Bhattacharyya , Soham Sen , Sunandan Gangopadhyay