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Mukherjee S, Saha S, Ghosh S, Adhikari S, Sathyamurthy N, Baer M. Quasi-Classical Trajectory Calculations on a Two-State Potential Energy Surface Including Nonadiabatic Coupling Terms as Friction for D + + H 2 Collisions. J Phys Chem A 2024; 128:7691-7702. [PMID: 39172694 DOI: 10.1021/acs.jpca.4c03237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2024]
Abstract
Akin to the traditional quasi-classical trajectory method for investigating the dynamics on a single adiabatic potential energy surface for an elementary chemical reaction, we carry out the dynamics on a 2-state ab initio potential energy surface including nonadiabatic coupling terms as friction terms for D+ + H2 collisions. It is shown that the resulting dynamics correctly accounts for nonreactive charge transfer, reactive non-charge transfer and reactive charge transfer processes. In addition, it leads to the formation of triatomic DH2+ species as well.
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Affiliation(s)
- Soumya Mukherjee
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
- Department of Chemistry, Maulana Azad National Institute of Technology, Bhopal 462003, India
| | - Swagato Saha
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Sandip Ghosh
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia 741246, India
| | - Satrajit Adhikari
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Narayanasami Sathyamurthy
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, SAS Nagar, Manauli 140306, India
| | - Michael Baer
- The Fritz Haber Center for Molecular Dynamics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
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Umarov O, Csehi A, Badankó P, Halász GJ, Vibók Á. Light-induced photodissociation in the lowest three electronic states of the NaH molecule. Phys Chem Chem Phys 2024; 26:7211-7223. [PMID: 38349744 DOI: 10.1039/d3cp05402k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
It has been known that electronic conical intersections in a molecular system can also be created by laser light even in diatomics. The direct consequence of these light-induced degeneracies is the appearance of a strong mixing between the electronic and vibrational motions, which has a strong fingerprint on the ultrafast nuclear dynamics. In the present work, pump and probe numerical simulations are performed with the NaH molecule involving the first three singlet electronic states (X1Σ+(X), A1Σ+(A) and B1Π(B)) and several light-induced degeneracies in the numerical description. To demonstrate the impact of the multiple light-induced non-adiabatic effects together with the molecular rotation on the dynamical properties of the molecule, the dissociation probabilities, kinetic energy release spectra (KER) and the angular distributions of the photofragments were calculated by discussing the role of the permanent dipole moment as well.
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Affiliation(s)
- Otabek Umarov
- Department of Theoretical Physics, Doctoral School of Physics, University of Debrecen, PO Box 400, H-4002 Debrecen, Hungary.
- Department of Optics and Spectroscopy, Samarkand State University, University blv. 15, 140104, Samarkand, Uzbekistan
| | - András Csehi
- Department of Theoretical Physics, Doctoral School of Physics, University of Debrecen, PO Box 400, H-4002 Debrecen, Hungary.
| | - Péter Badankó
- Department of Theoretical Physics, Doctoral School of Physics, University of Debrecen, PO Box 400, H-4002 Debrecen, Hungary.
| | - Gábor J Halász
- Department of Information Technology, University of Debrecen, PO Box 400, H-4002 Debrecen, Hungary
| | - Ágnes Vibók
- Department of Theoretical Physics, Doctoral School of Physics, University of Debrecen, PO Box 400, H-4002 Debrecen, Hungary.
- ELI-ALPS, ELI-HU Non-Profit Ltd, Dugonics tér 13, H-6720 Szeged, Hungary
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Biró L, Csehi A. Attosecond Probing of Nuclear Vibrations in the D 2+ and HeH + Molecular Ions. J Phys Chem A 2024; 128:858-867. [PMID: 38277484 DOI: 10.1021/acs.jpca.3c07031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2024]
Abstract
We study the ultrafast photodissociation of small diatomic molecules using attosecond laser pulses of moderate intensity in the (extreme) ultraviolet regime. The simultaneous application of subfemtosecond laser pulses with different photon energies─resonant in the region of the molecular motion─allows one to monitor the vibrational dynamics of simple diatomics, like the D2+ and HeH+ molecular ions. In our real-time wave packet simulations, the nuclear dynamics is initiated either by sudden ionization (D2+) or by explicit pump pulses (HeH+) via distortion of the potential energy of the molecule. The application of time-delayed attosecond pulses leads to the breakup of the molecules, and the information on the underlying bound-state dynamics is imprinted in the kinetic energy release (KER) spectra of the outgoing fragments. We show that the KER-delay spectrograms generated in our ultrafast pump-probe schemes are able to reconstruct the most important features of the molecular motion within a given electronic state, such as the time period or amplitude of oscillations, interference patterns, or the revival and splitting of the nuclear wave packet. The impact of probe pulse duration, which is key to the applicability of the presented mapping scheme, is investigated in detail.
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Affiliation(s)
- László Biró
- Department of Theoretical Physics, Faculty of Science and Technology, University of Debrecen, H-4002 Debrecen, P.O. Box 400, Hungary
| | - András Csehi
- Department of Theoretical Physics, Faculty of Science and Technology, University of Debrecen, H-4002 Debrecen, P.O. Box 400, Hungary
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Biró L, Csehi A. Tracing the vibrational dynamics of sodium iodide via the spectrum of emitted photofragments. Phys Chem Chem Phys 2022; 24:13234-13244. [PMID: 35603791 DOI: 10.1039/d2cp00901c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We study by real-time wave packet simulations the ultrafast photodissociation dynamics of the sodium iodide molecule with the aim to trace molecular vibrational motion in a bound electronic state. Applying a few-cycle infrared pump laser pulse, a nuclear wave packet is created in the ground electronic state via the dynamic Stark shift of the potential energy curves of the molecule. To probe this coherent motion in the ground state, we propose to use a series of ultrashort laser pulses with different photon energies that resonantly promote the spread-out wave packet to the repulsive excited state. As the kinetic energy release (KER) spectrum of the dissociating photofragments is sensitive to the shape of the vibrational wave packet, in our pump-probe scheme, KER-delay spectrograms generated for different probe photon energies are used to monitor the molecular motion in the bound state. In our numerical analysis supported by a simple analytical model, we show that for sufficiently long probe pulses the proposed mapping scheme reaches its limits as nuclear wave packet interferences wash out the observed images. The appearance of these interferences is attributed to nuclear wave packet amplitudes that are generated at the first and second half of the probe pulse with the same energy but with a certain time delay. In our detailed numerical survey on the laser parameter dependence of the presented scheme, we find that resonant probe pulses with a few femtosecond duration are suitable for a qualitative mapping of the bound-state molecular motion.
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Affiliation(s)
- László Biró
- Department of Theoretical Physics, Faculty of Science and Technology, University of Debrecen, PO Box 400, H-4002 Debrecen, Hungary.
| | - András Csehi
- Department of Theoretical Physics, Faculty of Science and Technology, University of Debrecen, PO Box 400, H-4002 Debrecen, Hungary.
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Takatsuka K. Electron Dynamics in Molecular Elementary Processes and Chemical Reactions. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200388] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Kazuo Takatsuka
- Fukui Institute for Fundamental Chemistry, Kyoto University, Kyoto 606-8103, Japan
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Matsuzaki R, Takatsuka K. Electronic and nuclear fluxes induced by quantum interference in the adiabatic and nonadiabatic dynamics in the Born-Huang representation. J Chem Phys 2019; 150:014103. [DOI: 10.1063/1.5066571] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Rei Matsuzaki
- Fukui Institute for Fundamental Chemistry, Kyoto University, Sakyo-ku, Kyoto 606-8103, Japan
| | - Kazuo Takatsuka
- Fukui Institute for Fundamental Chemistry, Kyoto University, Sakyo-ku, Kyoto 606-8103, Japan
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Matsuzaki R, Takatsuka K. Electronic and nuclear flux analysis on nonadiabatic electron transfer reaction: A view from single-configuration adiabatic born-huang representation. J Comput Chem 2018; 40:148-163. [DOI: 10.1002/jcc.25557] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 07/16/2018] [Accepted: 07/24/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Rei Matsuzaki
- Fukui Institute for Fundamental Chemistry; Kyoto University; Sakyou-ku Kyoto Japan
| | - Kazuo Takatsuka
- Fukui Institute for Fundamental Chemistry; Kyoto University; Sakyou-ku Kyoto Japan
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Tóth A, Badankó P, Halász GJ, Vibók Á, Csehi A. Importance of the lowest-lying Π electronic state in the photodissociation dynamics of LiF. Chem Phys 2018. [DOI: 10.1016/j.chemphys.2018.05.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Csehi A, Halász GJ, Cederbaum LS, Vibók Á. Intrinsic and light-induced nonadiabatic phenomena in the NaI molecule. Phys Chem Chem Phys 2017; 19:19656-19664. [PMID: 28489085 DOI: 10.1039/c7cp02164j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nonadiabatic effects play a very important role in controlling chemical dynamical processes. They are strongly related to avoided crossings (AC) or conical intersections (CIs) which can either be present naturally or induced by classical laser light in a molecular system. The latter are named as "light-induced avoided crossings" (LIACs) and "light-induced conical intersections" (LICIs). By performing one or two dimensional quantum dynamical calculations LIAC and LICI situations can easily be created even in diatomic molecules. Applying such calculations for the NaI molecule, which is a strongly coupled diatomic in field free case, significant differences between the impact of the LIAC and LICI on the ground state population dynamics were observed. Moreover, obtained results undoubtedly demonstrate that the effect of the LIAC and LICI on the dynamics strongly depends on the intensity and the frequency of the applied laser field as well as the permanent dipole moments of the molecule.
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Affiliation(s)
- András Csehi
- Department of Theoretical Physics, University of Debrecen, PO Box 400, H-4002 Debrecen, Hungary.
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Takatsuka K. Lorentz-like force emerging from kinematic interactions between electrons and nuclei in molecules: A quantum mechanical origin of symmetry breaking that can trigger molecular chirality. J Chem Phys 2017; 146:084312. [DOI: 10.1063/1.4976976] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Kazuo Takatsuka
- Fukui Institute for Fundamental Chemistry, Kyoto University, Nishikiraki-cho Sakyo-ku, Kyoto 606-8103, Japan
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Mizuno Y, Arasaki Y, Takatsuka K. Nonadiabatic dynamics in intense continuous wave laser fields and real-time observation of the associated wavepacket bifurcation in terms of spectrogram of induced photon emission. J Chem Phys 2016; 145:184305. [DOI: 10.1063/1.4966965] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Yuta Mizuno
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Tokyo 153-8902, Japan
| | - Yasuki Arasaki
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Tokyo 153-8902, Japan
| | - Kazuo Takatsuka
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Tokyo 153-8902, Japan
- Fukui Institute for Fundamental Chemistry, Kyoto University, Takano-Nishihiraki-cho 34-4, Sakyo-ku, Kyoto 606-8103, Japan
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12
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Arasaki Y, Mizuno Y, Scheit S, Takatsuka K. Stark-assisted quantum confinement of wavepackets. A coupling of nonadiabatic interaction and CW-laser. J Chem Phys 2016; 144:044107. [DOI: 10.1063/1.4940341] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Yasuki Arasaki
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
| | - Yuta Mizuno
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
| | - Simona Scheit
- Theoretische Chemie, Universität Heidelberg, Im Neuneheimer Feld 229, 69120 Heidelberg, Germany
| | - Kazuo Takatsuka
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
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13
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Mizuno Y, Arasaki Y, Takatsuka K. A perturbation theoretic approach to the Riccati equation for the Floquet energies, spectral intensities, and cutoff energy of harmonic generation in photon emission from nonadiabatic electron-transfer dynamics driven by infrared CW laser fields. J Chem Phys 2016; 144:024106. [DOI: 10.1063/1.4939580] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Yuta Mizuno
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
| | - Yasuki Arasaki
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
| | - Kazuo Takatsuka
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
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Baer M, Mukherjee B, Mukherjee S, Adhikari S. Time-dependent molecular fields created by the interaction of an external electro-magnetic field with a molecular system: the derivation of the wave equations. Mol Phys 2015. [DOI: 10.1080/00268976.2015.1093183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Michael Baer
- The Fritz Haber Center for Molecular Dynamics, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Bijit Mukherjee
- Department of Physical Chemistry, Indian Association for Cultivation of Science, Jadavpur, India
| | - Saikat Mukherjee
- Department of Physical Chemistry, Indian Association for Cultivation of Science, Jadavpur, India
| | - Satrajit Adhikari
- Department of Physical Chemistry, Indian Association for Cultivation of Science, Jadavpur, India
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15
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Arasaki Y, Mizuno Y, Scheit S, Takatsuka K. Induced photoemission from driven nonadiabatic dynamics in an avoided crossing system. J Chem Phys 2014; 141:234301. [DOI: 10.1063/1.4903745] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Yasuki Arasaki
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
| | - Yuta Mizuno
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
| | - Simona Scheit
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
- Theoretische Chemie, Universität Heidelberg, Im Neuneheimer Feld 229, 69120 Heidelberg, Germany
| | - Kazuo Takatsuka
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan
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