Search Results - "Schuch, N."

Shadows of anyons and the entanglement structure of topological phases by Haegeman, J., Zauner, V., Schuch, N., Verstraete, F.

“…The low-temperature dynamics of quantum systems are dominated by the low-energy eigenstates. For two-dimensional systems in particular, exotic phenomena such…”
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Projected entangled-pair states can describe chiral topological states by Wahl, T B, Tu, H-H, Schuch, N, Cirac, J I

“…We show that projected entangled-pair states (PEPS) in two spatial dimensions can describe chiral topological states by explicitly constructing a family of…”
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Transfer matrices and excitations with matrix product states by Zauner, V, Draxler, D, Vanderstraeten, L, Degroote, M, Haegeman, J, Rams, M M, Stojevic, V, Schuch, N, Verstraete, F

“…We use the formalism of tensor network states to investigate the relation between static correlation functions in the ground state of local quantum many-body…”
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Global Analysis of the Extended Decreases in Cosmic Rays Observed with Worldwide Networks of Neutron Monitors and Muon Detectors: Temporal Variation of the Rigidity Spectrum and Its Implication by Munakata, K., Hayashi, Y., Kozai, M., Kato, C., Miyashita, N., Kataoka, R., Kadokura, A., Miyake, S., Iwai, K., Echer, E., Dal Lago, A., Rockenbach, M., Schuch, N. J., Bageston, J. V., Braga, C. R., Al Jassar, H. K., Sharma, M. M., Duldig, M. L., Humble, J. E., Sabbah, I., Evenson, P., Kuwabara, T., Kóta, J.

“…Abstract This paper presents the global analysis of two extended decreases in the galactic cosmic-ray intensity observed by worldwide networks of ground-based…”
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Projected Entangled Pair States: Fundamental Analytical and Numerical Limitations by Scarpa, G., Molnár, A., Ge, Y., García-Ripoll, J. J., Schuch, N., Pérez-García, D., Iblisdir, S.

“…Matrix product states and projected entangled pair states (PEPS) are powerful analytical and numerical tools to assess quantum many-body systems in one and…”
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Ground-state properties of quantum many-body systems: entangled-plaquette states and variational Monte Carlo by Mezzacapo, F, Schuch, N, Boninsegni, M, Cirac, J I

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Analysis of Blanketing Sporadic‐E Layer and Associated Tidal Periodicities Over a Brazilian Station Undergoing a Transition From Low Latitude to Midlatitude by Moro, J., Xu, J., Bageston, J. V., Denardini, C. M., Andrioli, V. F., Resende, L. C. A., Da Silva, L. A., Li, H., Liu, Z., Wang, C., Schuch, N. J.

“…Analyses on a complete year of Digisonde data are conducted to investigate the sporadic‐E (Es) layers over Santa Maria (29.7°S, 53.8°W, dip lat.: −37°),…”
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Equatorial E Region Electric Fields and Sporadic E Layer Responses to the Recovery Phase of the November 2004 Geomagnetic Storm by Moro, J., Resende, L. C. A., Denardini, C. M., Xu, J., Batista, I. S., Andrioli, V. F., Carrasco, A. J., Batista, P. P., Schuch, N. J.

“…Equatorial E region electric fields (EEFs) inferred from coherent radar data, sporadic‐E (Es) layers observed from a digital ionosonde data, and modeling…”
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On entropy growth and the hardness of simulating time evolution by Schuch, N, Wolf, M M, Vollbrecht, K G H, Cirac, J I

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Edge theories in projected entangled pair state models by Yang, S, Lehman, L, Poilblanc, D, Van Acoleyen, K, Verstraete, F, Cirac, J I, Schuch, N

“…We analyze the low energy excitations of spin lattice systems in two dimensions at zero temperature within the framework of projected entangled pair state…”
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Blanketing Sporadic‐E Layer Occurrences Over Santa Maria, a Transition Station From Low to Middle Latitude in the South American Magnetic Anomaly (SAMA) by Moro, J., Xu, J., Denardini, C. M., Stefani, G., Resende, L. C. A., Santos, A. M., Silva, R. P., Da Silva, L. A., Carmo, C. S., Carrasco, A. J., Li, H., Liu, Z., Wang, C., Schuch, N. J.

“…Digisonde data obtained from July 2019 to June 2020 are used to study the overall occurrences of the blanketing types (Esf, Esl, Esh, Esc) of the sporadic…”
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Conjugate Point Equatorial Experiment (COPEX) campaign in Brazil: Electrodynamics highlights on spread F development conditions and day-to-day variability by Abdu, M. A., Batista, I. S., Reinisch, B. W., de Souza, J. R., Sobral, J. H. A., Pedersen, T. R., Medeiros, A. F., Schuch, N. J., de Paula, E. R., Groves, K. M.

“…A Conjugate Point Equatorial Experiment (COPEX) campaign was conducted during the October–December 2002 period in Brazil, with the objective to investigate the…”
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Large-amplitude Bidirectional Anisotropy of Cosmic-Ray Intensity Observed with Worldwide Networks of Ground-based Neutron Monitors and Muon Detectors in 2021 November by Munakata, K., Kozai, M., Kato, C., Hayashi, Y., Kataoka, R., Kadokura, A., Tokumaru, M., Mendonça, R. R. S., Echer, E., Lago, A. Dal, Rockenbach, M., Schuch, N. J., Bageston, J. V., Braga, C. R., Jassar, H. K. Al, Sharma, M. M., Duldig, M. L., Humble, J. E., Sabbah, I., Evenson, P., Mangeard, P.-S., Kuwabara, T., Ruffolo, D., Sáiz, A., Mitthumsiri, W., Nuntiyakul, W., Kóta, J.

“…Abstract We analyze the cosmic-ray variations during a significant Forbush decrease observed with worldwide networks of ground-based neutron monitors and muon…”
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THE TEMPERATURE EFFECT IN SECONDARY COSMIC RAYS (MUONS) OBSERVED AT THE GROUND: ANALYSIS OF THE GLOBAL MUON DETECTOR NETWORK DATA by de Mendonça, R. R. S., Braga, C. R., Echer, E., Dal Lago, A., Munakata, K., Kuwabara, T., Kozai, M., Kato, C., Rockenbach, M., Schuch, N. J., Al Jassar, H. K., Sharma, M. M., Tokumaru, M., Duldig, M. L., Humble, J. E., Evenson, P., Sabbah, I.

“…ABSTRACT The analysis of cosmic ray intensity variation seen by muon detectors at Earth's surface can help us to understand astrophysical, solar,…”
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On the Sources of the Ionospheric Variability in the South American Magnetic Anomaly During Solar Minimum by Moro, J., Xu, J., Denardini, C. M., Resende, L. C. A., Silva, R. P., Liu, Z., Li, H., Yan, C., Wang, C., Schuch, N. J.

“…We investigate for the first time the variability of the F2 layer critical frequency (foF2), its peak height (hmF2), the thickness parameter B0, and the E…”
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Multi-year observations of gravity wave momentum fluxes at low and middle latitudes inferred by all-sky meteor radar by Andrioli, V. F., Batista, P. P., Clemesha, B. R., Schuch, N. J., Buriti, R. A.

“…We have applied a modified composite day analysis to the Hocking (2005) technique to study gravity wave (GW) momentum fluxes in the mesosphere and lower…”
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Nonlocal resources in the presence of superselection rules by Schuch, N, Verstraete, F, Cirac, J I

“…Superselection rules severely alter the possible operations that can be implemented on a distributed quantum system. Whereas the restriction to local…”
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Equatorial E region electric fields at the dip equator: 1. Variabilities in eastern Brazil and Peru by Moro, J., Denardini, C. M., Resende, L. C. A., Chen, S. S., Schuch, N. J.

“…The equatorial electrojet (EEJ) is an intense eastward ionospheric electric current centered at about 105 km of altitude along the dip equator, set up by the…”
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Equatorial E region electric fields at the dip equator: 2. Seasonal variabilities and effects over Brazil due to the secular variation of the magnetic equator by Moro, J., Denardini, C. M., Resende, L. C. A., Chen, S. S., Schuch, N. J.

“…In this work, the seasonal dependency of the E region electric field (EEF) at the dip equator is examined. The eastward zonal (Ey) and the daytime vertical…”
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Analysis of Cosmic Rays' Atmospheric Effects and Their Relationships to Cutoff Rigidity and Zenith Angle Using Global Muon Detector Network Data by Mendonça, R. R. S., Wang, C., Braga, C. R., Echer, E., Dal Lago, A., Costa, J. E. R., Munakata, K., Li, H., Liu, Z., Raulin, J.‐P., Kuwabara, T., Kozai, M., Kato, C., Rockenbach, M., Schuch, N. J., Al Jassar, H. K., Sharma, M. M., Tokumaru, M., Duldig, M. L., Humble, J. E., Evenson, P., Sabbah, I.

“…Cosmic rays are charged particles whose flux observed at Earth shows temporal variations related to space weather phenomena and may be an important tool to…”
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