Physics Executers, Editors & Researchers Group

All about quantum:

Quantum coherent manipulation of spin information in molecular nanomagnets Quantum two-level systems based on spin states known as ``spin-qubits’’ are promising building blocks for the development of quantum technologies. Among different physical platforms, spin-qubits defined in single-molecule-magnets (SMMs) are promising candidates because their electronic structure...

Magnetic Memory:

Short Didysprosium Covalent Bond Enables High Magnetization Blocking Temperature of a Direct 4f–4f Coupled Dinuclear Single-Molecule Magnet Coupling two magnetic anisotropic lanthanide ions via a direct covalent bond is an effective way to realize high magnetization blocking temperature of single-molecule magnets (SMMs) by suppressing quantum tunneling of magnetization (QTM), whereas so far only single-electron lanthanide–lanthanide b...

Frugal Modelling:

A call for frugal modelling: two case studies involving molecular spin dynamics As scientists living through a climate emergency, we have a responsibility to lead by example, or to at least be consistent with our understanding of the problem, which in the case of theoreticians involves a frugal approach to modelling. Here we present and critically illustrate this principle. Fir...

Magnetic Memory

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Entanglement generation using E-field.

Electrical two-qubit gates within a pair of clock-qubit magnetic molecules - npj Quantum Information Enhanced coherence in HoW10 molecular spin qubits has been demonstrated by use of clock-transitions (CTs). More recently it was shown that, while operating at the CTs, it was possible to use an electrical field to selectively address HoW10 molecules pointing in a given direction, within a crystal th...

Quantum Coherent Manipulation of Spin Qubit using Electrical Field

Quantum coherent spin–electric control in a molecular nanomagnet at clock transitions - Nature Physics Through chemical design, the spins in molecular nanomagnets may be used as electrically tunable qubits. Electrical control of molecular distortion enables manipulation of the quantum spin state while suppressing decoherence from magnetic fields.

Vibrations-phonons-Qubit

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Vibronic Couplings..

Spectroscopic Analysis of Vibronic Relaxation Pathways in Molecular Spin Qubit [Ho(W5O18)2]9–: Sparse Spectra Are Key Vibrations play a prominent role in magnetic relaxation processes of molecular spin qubits as they couple to spin states, leading to the loss of quantum information. Direct experimental determination of vibronic coupling is crucial to understand and control the spin dynamics of these nano-objects, w...

Vibro-phonon couplings...

Insights on the coupling between vibronically active molecular vibrations and lattice phonons in molecular nanomagnets - Dalton Transactions (RSC Publishing) DOI:10.1039/D1DT01832A Aman Ullah , José J. Baldoví , Alejandro Gaita-Ariño * and Eugenio Coronado Instituto de Ciencia Molecular, Universitat de València, Catedrático José Beltrán Martínez, 2, Paterna 46980, Spain. E-mail: [email protected]

Spin vibrational ouplings..

In Silico Molecular Engineering of Dysprosocenium-Based Complexes to Decouple Spin Energy Levels from Molecular Vibrations Molecular nanomagnets hold great promise for spintronics and quantum technologies, provided that their spin memory can be preserved above liquid-nitrogen temperatures. In the past few years, the magnetic hysteresis records observed for two related dysprosocenium-type complexes have highlighted the p...

Vibronic coupling in molecular spin-qubit.
https://ui.adsabs.harvard.edu/abs/2021APS..MARM39002B/abstract

Two-qubit entanglement using Bell basis in solid state environment.

A π-shaped quantum device for implementation of Bell states in solid state environment Electronic spin-qubit is key ingredient for quantum information processing in a solid state environment. We present a π-shaped two-qubit entanglement …