9 citations · 39 across the 30 of their papers we have counts for
17 papers · 1 filter
Quantization of the 1-D forced harmonic oscillator in the space ()
Gustavo Lopez, Omar Bravo
The quantization of the forced harmonic oscillator is studied with the quantum variable (), with the commutation relation , and using a Shrödinger's…
About Factorization of Quantum States with Few Qubits
Gustavo V. Lopez, Gustavo Montes, Manuel Avila +1
We study the factorization conditions of a wave function made up of states of two, three and four qubits and propose and analytical expression which can characterize entangled stat…
Study of decoherence of entangled states made up of two basic states in a linear chain of three qubits
Gustavo V. Lopez, Gustavo Montes
Using Lindblad approach to study decoherence of quantum systems, we study the decoherence and decay of entangled states, formed by two basic states of a chain of thee qubits. We lo…
Modular magnetic field on the z-direction on a chain of nuclear spin system and quantum Not and Controlled-Not gates
G. V. Lopez, M. Avila
We study the simulation of a single qubit rotation and Controlled-Not gate in a solid state one-dimensional chain of nuclear spins system interacting weakly through an Ising type o…
Simulation of Grover's quantum search algorithm in a Ising nuclear spin chain quantum computer with first and second nearest neighbour couplings
G. V. Lopez, T. Gorin, L. Lara
We implement Grover's quantum search algorithm on a nuclear spin chain quantum computer, taking into Ising type interactions between nearest and second nearest neighbours into acco…
Ambiguities on the Hamiltonian formulation of the free falling particle with quadratic dissipation
Gustavo Lopez, Pablo Lopez, Xaman-Ek Lopez +1
For a free falling particle moving in a media which has quadratic velocity force effect on the particle, two equivalent constants of motion, with units of energy, two Lagrangians,…
Numerical simulation of Quantum Teleportation in a chain of three nuclear spins system taking into account second neighbor interaction
Gustavo V. Lopez, Lorena Lara
For a one-dimensional chain of three nuclear spins (one half), we make the numerical simulation of quantum teleportation of a given state from one end of the chain to the other end…
Simulation of an entangled state in a chain of three nuclear spins system
Gustavo V. Lopez, Lorena Lara
We study the formation of an entangled state in a one-dimensional chain of three nuclear spins system which interact weakly through the Ising type of interaction and taking into ac…
Chain of nuclear spins system quantum computer taking into account second neighbor Ising spins interaction and numerical simulation of Shor factorization of N=4
Gustavo V. Lopez, Lorena Lara
For a one-dimensional chain of four nuclear spins (1/2) and taking into account first and second neighbor interactions among the spin system, we make the numerical simulation of Sh…
Quantization of a one-dimensional time-dependent periodic system with Hamiltonian and constants of motion approaches
Gustavo Lopez
For a particle moving in a one-dimensional space an under a periodic external force, its quantization is study using the Hamiltonian (generalized linear momentum quantization) and…
Ambiguities on the quantization of a one-dimensional dissipative system with position depending dissipative coefficient
Gustavo Lopez, Xaman-Ek Lopez, Gabriel Gonzalez
For a one-dimensional dissipative system with position depending coefficient, two constant of motion are deduce. These constants of motion bring about two Hamiltonians to describe…
Effects on the eigenvalues of the quantum bouncer due to dissipation
G. Lopez, G. Gonzalez
Effects on the spectra of the quantum bouncer due to dissipation are given when a linear or quadratic dissipation is taken into account. Classical constant of motions and Hamiltoni…
Qubitless Quantum Logic
Richard B. Kassman, Gennady P. Berman, Vladimir I. Tsifrinovich +1
We discuss the implementation of quantum logic in a system of strongly interacting particles. The implementation is qubitless since ``logical qubits'' don't correspond to any physi…
Perturbation Theory and Numerical Modeling of Quantum Logic Operations with a Large Number of Qubits
G. P. Berman, G. D. Doolen, D. I. Kamenev +2
The perturbation theory is developed based on small parameters which naturally appear in solid state quantum computation. We report the simulations of the dynamics of quantum logic…
Quantization of a Constant of Motion for the Harmonic Oscillator with a Time-Explicitly Depending Force
G. Lopez
The quantization of a constant of motion for the harmonic oscillator with a time-explicitly depending external force is carried out. This quantization approach is compared with the…
Dynamics of a Quantum Control-Not Gate for an Ensemble of Four-Spin Molecules at Room Temperature
Gennady P. Berman, Gary D. Doolen, Gustavo V. Lopez +1
We investigate numerically a single-pulse implementation of a quantum Control-Not (CN) gate for an ensemble of Ising spin systems at room temperature. For an ensemble of four-spin…
Quantum Entangled States and Quasiclassical Dynamics in Macroscopic Spin Systems
Gennady P. Berman, Gary D. Doolen, Gustavo V. Lopez +1
When dealing with macroscopic objects one usually observes quasiclassical phenomena, which can be described in terms of quasiclassical (or classical) equations of motion. Recent de…