Search Results - "Zangara, Pablo R"

Charge Dynamics in near-Surface, Variable-Density Ensembles of Nitrogen-Vacancy Centers in Diamond by Dhomkar, Siddharth, Jayakumar, Harishankar, Zangara, Pablo R, Meriles, Carlos A

“…Although the spin properties of superficial shallow nitrogen-vacancy (NV) centers have been the subject of extensive scrutiny, considerably less attention has…”
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Carbon-13 dynamic nuclear polarization in diamond via a microwave-free integrated cross effect by Henshaw, Jacob, Pagliero, Daniela, Zangara, Pablo R., Franzoni, María B., Ajoy, Ashok, Acosta, Rodolfo H., Reimer, Jeffrey A., Pines, Alexander, Meriles, Carlos A.

“…Color-center–hosting semiconductors are emerging as promising source materials for low-field dynamic nuclear polarization (DNP) at or near room temperature,…”
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Two-Electron-Spin Ratchets as a Platform for Microwave-Free Dynamic Nuclear Polarization of Arbitrary Material Targets by Zangara, Pablo R, Henshaw, Jacob, Pagliero, Daniela, Ajoy, Ashok, Reimer, Jeffrey A, Pines, Alexander, Meriles, Carlos A

“…Optically pumped color centers in semiconductor powders can potentially induce high levels of nuclear spin polarization in surrounding solids or fluids at or…”
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On-Demand Generation of Neutral and Negatively Charged Silicon-Vacancy Centers in Diamond by Dhomkar, Siddharth, Zangara, Pablo R, Henshaw, Jacob, Meriles, Carlos A

“…Point defects in wide-band-gap semiconductors are emerging as versatile resources for nanoscale sensing and quantum information science, but our understanding…”
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Microwave-Free Dynamic Nuclear Polarization via Sudden Thermal Jumps by Meriles, Carlos A, Zangara, Pablo R

“…Dynamic nuclear polarization (DNP) presently stands as the preferred strategy to enhance the sensitivity of nuclear magnetic resonance measurements, but its…”
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Dynamics of frequency-swept nuclear spin optical pumping in powdered diamond at low magnetic fields by Zangara, Pablo R., Dhomkar, Siddharth, Ajoy, Ashok, Liu, Kristina, Nazaryan, Raffi, Pagliero, Daniela, Suter, Dieter, Reimer, Jeffrey A., Pines, Alexander, Meriles, Carlos A.

“…A broad effort is underway to improve the sensitivity of NMR through the use of dynamic nuclear polarization. Nitrogen vacancy (NV) centers in diamond offer an…”
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Spin Dynamics of a Solid-State Qubit in Proximity to a Superconductor by Monge, Richard, Delord, Tom, Proscia, Nicholas V., Shotan, Zav, Jayakumar, Harishankar, Henshaw, Jacob, Zangara, Pablo R., Lozovoi, Artur, Pagliero, Daniela, Esquinazi, Pablo D., An, Toshu, Sodemann, Inti, Menon, Vinod M., Meriles, Carlos A.

“…A broad effort is underway to understand and harness the interaction between superconductors and spin-active color centers with an eye on hybrid quantum…”
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Loschmidt echo in many-spin systems: a quest for intrinsic decoherence and emergent irreversibility by Zangara, Pablo R, Pastawski, Horacio M

“…If a magnetic polarization excess is locally injected in a crystal of interacting spins in thermal equilibrium, this 'excitation' would spread as consequence…”
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Loschmidt echo in many-spin systems: contrasting time scales of local and global measurements by Zangara, Pablo R., Bendersky, Denise, Levstein, Patricia R., Pastawski, Horacio M.

“…A local excitation in a quantum many-spin system evolves deterministically. A time-reversal procedure, involving the inversion of the signs of every energy and…”
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Optically pumped spin polarization as a probe of many-body thermalization by Pagliero, Daniela, Zangara, Pablo R., Henshaw, Jacob, Ajoy, Ashok, Acosta, Rodolfo H., Reimer, Jeffrey A., Pines, Alexander, Meriles, Carlos A.

“…Select nuclear spins in a solid isolated from the rest due to local fields reach equilibrium via multielectron spin interactions. Disorder and many body…”
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Interaction-disorder competition in a spin system evaluated through the Loschmidt echo by Zangara, Pablo R., Dente, Axel D., Iucci, Aníbal, Levstein, Patricia R., Pastawski, Horacio M.

“…The interplay between interactions and disorder in closed quantum many-body systems is relevant for thermalization phenomenon. In this paper, we address this…”
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Time fluctuations in isolated quantum systems of interacting particles by Zangara, Pablo R, Dente, Axel D, Torres-Herrera, E J, Pastawski, Horacio M, Iucci, Aníbal, Santos, Lea F

“…Numerically, we study the time fluctuations of few-body observables after relaxation in isolated dynamical quantum systems of interacting particles. Our…”
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Role of energy uncertainties in ergodicity breaking induced by competing interactions and disorder. A dynamical assessment through the Loschmidt echo by Zangara, Pablo R., Levstein, P. R., Pastawski, H. M.

“…A local excitation in a quantum many-particle system evolves deterministically. A time-reversal procedure, involving the invertion of the signs of every energy…”
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Orientation-independent room temperature optical 13C hyperpolarization in powdered diamond by Ajoy, Ashok, Liu, Kristina, Nazaryan, Raffi, Lv, Xudong, Zangara, Pablo R, Safvati, Benjamin, Wang, Guoqing, Arnold, Daniel, Li, Grace, Lin, Arthur, Raghavan, Priyanka, Druga, Emanuel, Dhomkar, Siddharth, Pagliero, Daniela, Reimer, Jeffrey A, Suter, Dieter, Meriles, Carlos A, Pines, Alexander

“…Dynamic nuclear polarization via contact with electronic spins has emerged as an attractive route to enhance the sensitivity of nuclear magnetic resonance…”
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Orientation-independent room temperature optical 13 C hyperpolarization in powdered diamond by Ajoy, Ashok, Liu, Kristina, Nazaryan, Raffi, Lv, Xudong, Zangara, Pablo R, Safvati, Benjamin, Wang, Guoqing, Arnold, Daniel, Li, Grace, Lin, Arthur, Raghavan, Priyanka, Druga, Emanuel, Dhomkar, Siddharth, Pagliero, Daniela, Reimer, Jeffrey A, Suter, Dieter, Meriles, Carlos A, Pines, Alexander

“…Dynamic nuclear polarization via contact with electronic spins has emerged as an attractive route to enhance the sensitivity of nuclear magnetic resonance…”
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Ergodicity breaking in an incommensurate system observed by OTOCs and loschmidt echoes: From quantum diffusion to sub-diffusion by Lozano-Negro, Fabricio S., Zangara, Pablo R., Pastawski, Horacio M.

“…The metal-insulator transition (MIT), which includes Anderson localization and Mott insulators as extreme regimes, has received renewed interest as the…”
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Fragility of superposition states evaluated by the Loschmidt echo by Bendersky, Denise, Zangara, Pablo R., Pastawski, Horacio M.

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Quantum Sensing via Magnetic‐Noise‐Protected States in an Electronic Spin Dyad by Meriles, Carlos A., Zangara, Pablo R., Pagliero, Daniela

“…Extending the coherence lifetime of a qubit is central to the implementation and deployment of quantum technologies, particularly in the solid state where…”
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Loschmidt echo in many-spin systems: contrasting time scales of local and global measurements by Zangara, Pablo R., Bendersky, Denise, Levstein, Patricia R., Pastawski, Horacio M.

“…A local excitation in a quantum many-spin system evolves deterministically. A time-reversal procedure, involving the inversion of the signs of every energy and…”
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Proliferation of effective interactions: Decoherence-induced equilibration in a closed many-body system by Zangara, Pablo R., Bendersky, Denise, Pastawski, Horacio M.

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