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Here we review a universal model for chirally induced spin-selectivity (CISS) as a standalone effect occurring in chiral molecules. We tie together the results of forward scattering in the gas phase to the results for photoelectrons in chiral self-as
Externí odkaz:
http://arxiv.org/abs/2406.14586
Autor:
Varela, Solmar, Gutierrez, Rafael, Cuniberti, Gianaurelio, Medina, Ernesto, Mujica, Vladimiro
Chiral structures, breaking spatial inversion symmetry, exhibit non-zero chiroptical activity (COA) due to the interaction between their electric and magnetic responses under external electromagnetic fields, an effect that is otherwise absent in achi
Externí odkaz:
http://arxiv.org/abs/2309.00919
Autor:
Varela, Solmar, Gutierrez, Rafael, Cuniberti, Gianaurelio, Medina, Ernesto, Mujica, Vladimiro
Publikováno v:
Journal of Chemical Physics; 9/21/2024, Vol. 161 Issue 11, p1-11, 11p
The spin activity in macromolecules such as DNA and oligopeptides, in the context of the Chiral Induced Spin Selectivity (CISS) has been proposed to be due to the atomic Spin-Orbit Coupling (SOC) and the associated chiral symmetry of the structures.
Externí odkaz:
http://arxiv.org/abs/2110.11250
The comment by O. Entin-Wohlman, A. Aharony, and Y. Utsumi, on our paper S. Varela, I. Zambrano, B. Berche, V. Mujica, and E. Medina, Phys. Rev. B 101, 241410(R) (2020) makes a few points related to the validity of our model, especially in the light
Externí odkaz:
http://arxiv.org/abs/2101.11271
Autor:
Aiello, Clarice D., Abbas, Muneer, Abendroth, John M., Afanasev, Andrei, Agarwal, Shivang, Banerjee, Amartya S., Beratan, David N., Belling, Jason N., Berche, Bertrand, Botana, Antia, Caram, Justin R., Celardo, Giuseppe Luca, Cuniberti, Gianaurelio, Garcia-Etxarri, Aitzol, Dianat, Arezoo, Diez-Perez, Ismael, Guo, Yuqi, Gutierrez, Rafael, Herrmann, Carmen, Hihath, Joshua, Kale, Suneet, Kurian, Philip, Lai, Ying-Cheng, Lopez, Alexander, Medina, Ernesto, Mujica, Vladimiro, Naaman, Ron, Noormandipour, Mohammadreza, Palma, Julio L., Paltiel, Yossi, Petuskey, William T., Ribeiro-Silva, Joao Carlos, Saenz, Juan Jose, Santos, Elton J. G., Solyanik, Maria, Sorger, Volker J., Stemer, Dominik M., Ugalde, Jesus M., Valdes-Curiel, Ana, Varela, Solmar, Waldeck, David H., Weiss, Paul S., Zacharias, Helmut, Wang, Qing Hua
Chiral degrees of freedom occur in matter and in electromagnetic fields and constitute an area of research that is experiencing renewed interest driven by recent observations of the chiral-induced spin selectivity (CISS) effect in chiral molecules an
Externí odkaz:
http://arxiv.org/abs/2009.00136
Publikováno v:
Phys. Rev. B 102, 035426 (2020)
Recently experiments have shown very significant spin activity in biological molecules such as DNA, proteins, oligopeptides and aminoacids. Such molecules have in common their chiral structure, time reversal symmetry and the absence of magnetic excha
Externí odkaz:
http://arxiv.org/abs/2005.08474
Publikováno v:
Phys. Rev. B 101, 241410 (2020)
Electron transfer (ET) in biological molecules such as peptides and proteins consists of electrons moving between well defined localized states (donors to acceptors) through a tunneling process. Here we present an analytical model for ET by tunneling
Externí odkaz:
http://arxiv.org/abs/2003.00582
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The strength of the spin-orbit interaction relevant to transport in a low dimensional structure depends critically on the relative geometrical arrangement of current carrying orbitals. Recent tight-binding orbital models for spin transport in DNA-lik
Externí odkaz:
http://arxiv.org/abs/1710.07204