36 citations · 56 across the 2 of their papers we have counts for
6 papers
Matrix Model Approach to Cosmology
A. Chaney, Lei Lu, A. Stern
We perform a systematic search for rotationally invariant cosmological solutions to matrix models, or more specifically the bosonic sector of Lorentzian IKKT-type matrix models, in…
Lorentzian Fuzzy Spheres
A. Chaney, Lei Lu, A. Stern
We show that fuzzy spheres are solutions of IKKT matrix models. The fuzzy sphere solutions serve as toy models of closed noncommutative cosmologies where big ban…
BTZ Black Hole Entropy from a Chern-Simons Matrix Model
A. Chaney, Lei Lu, A. Stern
We examine a Chern-Simons matrix model which we propose as a toy model for studying the quantum nature of black holes in 2+1 gravity. Its dynamics is described by two m…
Particle Dynamics on Snyder space
Lei Lu, A. Stern
We examine Hamiltonian formalism on Euclidean Snyder space. The latter corresponds to a lattice in the quantum theory. For any given dynamical system, it may not be possible to ide…
Snyder space revisited
Lei Lu, A. Stern
We examine basis functions on momentum space for the three dimensional Euclidean Snyder algebra. We argue that the momentum space is isomorphic to the SO(3) group manifold, and tha…
Can Non-unitary Effect be Prominent in Neutrino Oscillation Measurements?
Lei Lü, Wenyu Wang, Zhaohua Xiong
Subject to the neutrino experiments, the mixing matrix of ordinary neutrinos can still have small violation from unitarity. We introduce a quasi-unitary matrix to interpret this vi…