Structural Effects on the Spin Dynamics of Potential Molecular Qubits.
Sign Up to like & getrecommendations! Published in 2018 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b02616
Abstract: Control of spin-lattice magnetic relaxation is crucial to observe long quantum coherence in spin systems at reasonable temperatures. Such a control is most often extremely difficult to achieve, because of the coexistence of several relaxation… read more here.
Keywords: quantum coherence; relaxation; spin; spectroscopy ... See more keywords
Electronic Spin Qubit Candidates Arrayed within Layered Two-Dimensional Polymers.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c11784
Abstract: Molecular electronic spin qubits are promising candidates for quantum information science applications because they can be reliably produced and engineered via chemical design. Embedding electronic spin qubits within two-dimensional polymers (2DPs) offers the possibility to… read more here.
Keywords: two dimensional; qubit; electronic spin; dimensional polymers ... See more keywords
Two-qubit sweet spots for capacitively coupled exchange-only spin qubits
Sign Up to like & getrecommendations! Published in 2021 at "npj Quantum Information"
DOI: 10.1038/s41534-021-00449-4
Abstract: The implementation of high fidelity two-qubit gates is a bottleneck in the progress toward universal quantum computation in semiconductor quantum dot qubits. We study capacitive coupling between two triple quantum dot spin qubits encoded in… read more here.
Keywords: sweet spots; qubit sweet; two qubit; exchange ... See more keywords
Template-directed 2D nanopatterning of S = 1/2 molecular spins.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale horizons"
DOI: 10.1039/d2nh00375a
Abstract: Molecular spins are emerging platforms for quantum information processing. By chemically tuning their molecular structure, it is possible to prepare a robust environment for electron spins and drive the assembly of a large number of… read more here.
Keywords: directed nanopatterning; molecular spins; vopc spin; spin ... See more keywords
Developing silicon carbide for quantum spintronics
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0004454
Abstract: In current long-distance communications, classical information carried by large numbers of particles is intrinsically robust to some transmission losses but can, therefore, be eavesdropped without notice. On the other hand, quantum communications can provide provable… read more here.
Keywords: quantum; silicon carbide; quantum repeaters; developing silicon ... See more keywords
Protocol for a resonantly driven three-qubit Toffoli gate with silicon spin qubits
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.085419
Abstract: The three-qubit Toffoli gate plays an important role in quantum error correction and complex quantum algorithms such as Shor's factoring algorithm, motivating the search for efficient implementations of this gate. Here we introduce a Toffoli… read more here.
Keywords: toffoli gate; gate; qubit; three qubit ... See more keywords
Theory of hole-spin qubits in strained germanium quantum dots
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.125201
Abstract: We theoretically investigate the properties of holes in a Si$_{x}$Ge$_{1-x}$/Ge/ Si$_{x}$Ge$_{1-x}$ quantum well in a perpendicular magnetic field that make them advantageous as qubits, including a large ($>$100~meV) intrinsic splitting between the light and heavy… read more here.
Keywords: hole spin; quantum dots; theory hole; spin ... See more keywords
Charge noise suppression in capacitively coupled singlet-triplet spin qubits under magnetic field
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.l161409
Abstract: Charge noise is the main hurdle preventing high-fidelity operation, in particular that of two-qubit gates, of semiconductor-quantum-dot-based spin qubits. While certain sweet spots where charge noise is substantially suppressed have been demonstrated in several types… read more here.
Keywords: charge noise; coupled singlet; magnetic field; singlet triplet ... See more keywords
A cavity-mediated quantum CPHASE gate between NV spin qubits in diamond
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.95.205420
Abstract: While long spin coherence times and efficient single-qubit quantum control have been implemented successfully in nitrogen-vacancy (NV) centers in diamond, the controlled coupling of remote NV spin qubits remains challenging. Here, we propose and analyze… read more here.
Keywords: cavity; spin; cphase gate; spin qubits ... See more keywords
Coupling two spin qubits with a high-impedance resonator
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.235409
Abstract: Fast, high-fidelity single and two-qubit gates are essential to building a viable quantum information processor, but achieving both in the same system has proved challenging for spin qubits. We propose and analyze an approach to… read more here.
Keywords: coupling two; high impedance; resonator; impedance ... See more keywords
Electrical manipulation of semiconductor spin qubits within the g -matrix formalism
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.155319
Abstract: We discuss the modeling of the electrical manipulation of spin qubits in the linear-response regime where the Rabi frequency is proportional to the magnetic field and to the radio-frequency electric field excitation. We show that… read more here.
Keywords: electrical manipulation; field; matrix formalism; magnetic field ... See more keywords