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Pre-inflationary universe in loop quantum cosmology

- Tao Zhu, A. Wang, G. Cleaver, K. Kirsten, Qin Sheng
- Physics
- 21 May 2017

The evolutions of the flat FLRW universe and its linear perturbations are studied systematically in the dressed metric approach of LQC. When it is dominated by the kinetic energy of the inflaton at… Expand

Universal features of quantum bounce in loop quantum cosmology

- Tao Zhu, A. Wang, K. Kirsten, G. Cleaver, Qin Sheng
- Physics
- 20 July 2016

Abstract In this Letter, we study analytically the evolutions of the flat Friedmann–Lemaitre–Robertson–Walker (FLRW) universe and its linear perturbations in the framework of the dressed metric… Expand

The Inability of the White-Juday Warp Field Interferometer to Spectrally Resolve Spacetime Distortions

- Jeffrey S. Lee, G. Cleaver
- Physics
- 29 July 2014

This paper contends that the spacetime distortions resulting from the experimentally obtainable electric field of a parallel plate capacitor configuration cannot be detected by the White-Juday Warp… Expand

M-fluences on String Model Building

- G. Cleaver
- Physics
- 1 January 1999

Common to many classes of three family SU(3)_C x SU(2)_L x U(1)_Y string models are an additional anomalous U(1)_A and numerous, often fractionally charged, exotic particles beyond the minimal… Expand

Aspects of fractional superstrings

- G. Cleaver, P. J. Rosenthal
- Mathematics, Physics
- 16 February 1993

We investigate some issues relating to recently proposed fractional superstring theories withDcritical<10. Using the factorization approach of Gepner and Qiu, we systematically rederive the partition… Expand

String Cosmology: A Review

- G. Cleaver
- Physics
- 21 March 2003

The second string revolution, which begin around 1995, has led to a drastic alteration in our perception of the universe, perhaps even more so then did the first string revolution of 1984. That is,… Expand

String derived MSSM and M-theory Unification

- G. Cleaver, A. Faraggi, D. Nanopoulos
- Physics
- 21 November 1998

Abstract The recent conjecture of possible equivalence between the string scale M S and the minimal supersymmetric standard model unification scale M U ≈2.5×10 16 GeV is considered in the context of… Expand

High-order primordial perturbations with quantum gravitational effects

- Tao Zhu, A. Wang, K. Kirsten, G. Cleaver, Qin Sheng
- Physics
- 19 April 2016

In this paper, we provide a systematic investigation of high-order primordial perturbations with nonlinear dispersion relations due to quantum gravitational eects in the framework of uniform… Expand

Left-Right Symmetric Heterotic-String Derived Models

- G. Cleaver, A. Faraggi, C. Savage
- Physics
- 28 June 2000

Recently it was demonstrated that free fermionic heterotic strings can produce models with solely the minimal supersymmetric standard model states in the low energy spectrum. This unprecedented… Expand

NAHE-based string models with SU(4)×SU(2)×U(1) SO(10) subgroup

- G. Cleaver, A. Faraggi, S. Nooij
- Physics
- 7 January 2003

The orbifold GUT doublet–triplet splitting mechanism was discussed in 1994 in the framework of the NAHE-based free fermionic models in which the SO(10) GUT symmetry is broken to SO(6)×SO(4),… Expand

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