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Julián Echave
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Journal Articles

Quantum theory of four-atom reactions using arrangement channel hyperspherical coordinates: Formulation and application to OH+H 2 ↔H 2 O+H

Sergei K. Pogrebnya, Julian Echave, David C. Clary
Journal: The Journal of Chemical Physics
J. Chem. Phys. 107, 8975–8984 (1997)
https://doi.org/10.1063/1.475189
Published: December 1997
View article titled, Quantum theory of four-atom reactions using arrangement channel hyperspherical coordinates: Formulation and application to OH+H 2 ↔H 2 O+H
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Journal Articles

The planar reaction OH+H2→H2O+H: A quasiclassical trajectory study

Juliana Palma, Julián Echave
Journal: The Journal of Chemical Physics
J. Chem. Phys. 104, 2841–2846 (1996)
https://doi.org/10.1063/1.471107
Published: February 1996
View article titled, The planar reaction OH+H<sub>2</sub>→H<sub>2</sub>O+H: A quasiclassical trajectory study
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Journal Articles

Time‐dependent reactive scattering in hyperspherical coordinates: A close coupled wave packet approach

Julián Echave
Journal: The Journal of Chemical Physics
J. Chem. Phys. 104, 1380–1386 (1996)
https://doi.org/10.1063/1.470795
Published: January 1996
View article titled, Time‐dependent reactive scattering in hyperspherical coordinates: A close coupled wave packet approach
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Journal Articles

Quantum theory of planar four‐atom reactions

Julián Echave, David C. Clary
Journal: The Journal of Chemical Physics
J. Chem. Phys. 100, 402–422 (1994)
https://doi.org/10.1063/1.466954
Published: January 1994
View article titled, Quantum theory of planar four‐atom reactions
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Journal Articles

Construction of effective Hamiltonians for time‐dependent phenomena from variational principles

Julián Echave, Francisco M. Fernández, Mónica Campanaro, David A. Micha
Journal: The Journal of Chemical Physics
J. Chem. Phys. 95, 3607–3613 (1991)
https://doi.org/10.1063/1.460811
Published: September 1991
View article titled, Construction of effective Hamiltonians for time‐dependent phenomena from variational principles
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Journal Articles

Appropriate interaction picture to solve the time‐dependent Schrödinger Equation

Julián Echave, Francisco M. Fernández
Journal: AIP Conference Proceedings
AIP Conf. Proc. 225, 325–330 (1991)
https://doi.org/10.1063/1.40547
Published: April 1991
View article titled, Appropriate interaction picture to solve the time‐dependent Schrödinger Equation
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Journal Articles

A generalized intermediate picture of quantal time evolution using operator algebraic methods. Application to translational–vibrational energy transfer in molecular collisions

Julián Echave, Francisco M. Fernández, David A. Micha
Journal: The Journal of Chemical Physics
J. Chem. Phys. 94, 3537–3541 (1991)
https://doi.org/10.1063/1.459775
Published: March 1991
View article titled, A generalized intermediate picture of quantal time evolution using operator algebraic methods. Application to translational–vibrational energy transfer in molecular collisions
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Journal Articles

On the convergence of the Magnus expansion in the Schrödinger representation

Francisco M. Fernández, Julián Echave, Eduardo A. Castro
Journal: Journal of Mathematical Physics
J. Math. Phys. 31, 338–341 (1990)
https://doi.org/10.1063/1.528919
Published: February 1990
View article titled, On the convergence of the Magnus expansion in the Schrödinger representation
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Journal Articles

On the bilinear approximation for time‐dependent Hamiltonians

Julián Echave, Francisco M. Fernández, Eduardo A. Castro
Journal: The Journal of Chemical Physics
J. Chem. Phys. 92, 1188–1193 (1990)
https://doi.org/10.1063/1.458127
Published: January 1990
View article titled, On the bilinear approximation for time‐dependent Hamiltonians
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Journal Articles

Calculation of vibrational transition probabilities in molecular collisions: A recursive algebraic procedure

Julián Echave, Francisco M. Fernández, Eduardo A. Castro, David A. Micha
Journal: The Journal of Chemical Physics
J. Chem. Phys. 91, 924–928 (1989)
https://doi.org/10.1063/1.457143
Published: July 1989
View article titled, Calculation of vibrational transition probabilities in molecular collisions: A recursive algebraic procedure
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