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206 results on '"Singh, Juhi"'

2. Anisotropic Hall effects in Bi$_2$Se$_3$/EuS interfaces

Author

Singh, Juhi, Raman, Karthik V., and Mohanta, Narayan

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Materials Science
Abstract

Proximity coupling of ferromagnetic insulator EuS to the topological insulator Bi$_2$Se$_3$ has been proposed to break time-reversal symmetry near the surface of Bi$_2$Se$_3$, introducing an energy gap or a tilt in the surface Dirac cone. As an inverse proximity effect, strong spin-orbit coupling available in the topological surface states can enhance the Curie temperature of ferromagnetism in EuS largely beyond its bulk value, and also generate a magnetic anisotropy. This can result in a canting of the magnetic moment of Eu ions in a plane perpendicular to the interface. Here, we investigate theoretically electronic transport properties arising from the Bi$_2$Se$_3$/EuS interfaces in the planar Hall geometry. Our analysis, based on a realistic model Hamiltonian and a semi-classical formalism for the Boltzmann transport equation, reveals distinct intriguing features of anisotropic planar Hall conductivity, depending on different scenarios for the canting of the Eu moments: fixed Eu moment canting, and freely-orientable Eu moment in response to the external in-plane magnetic field. The anisotropy in the planar Hall conductivity arises from the asymmetric Berry curvature of the gapped topological surface states. We also explore topological Hall effect of the Dirac surface states, coupled to a skyrmion crystal which can emerge in the EuS due to the interplay of ferromagnetic Heisenberg exchange, interfacial Dzyaloshinskii-Moriya interaction, and perpendicular alignment of the Eu moment. Our study provides new impetus for probing complex interplay between magnetic exchange interactions and topological surface states via anisotropic planar Hall effects., Comment: 13 pages, 7 figures

Published
2024

5. Compensating for non-linear distortions in controlled quantum systems

Author

Singh, Juhi, Zeier, Robert, Calarco, Tommaso, and Motzoi, Felix

Subjects
Quantum Physics
Abstract

Predictive design and optimization methods for controlled quantum systems depend on the accuracy of the system model. Any distortion of the input fields in an experimental platform alters the model accuracy and eventually disturbs the predicted dynamics. These distortions can be non-linear with a strong frequency dependence so that the field interacting with the microscopic quantum system has limited resemblance to the input signal. We present an effective method for estimating these distortions which is suitable for non-linear transfer functions of arbitrary lengths and magnitudes provided the available training data has enough spectral components. Using a quadratic estimation, we have successfully tested our approach for a numerical example of a single Rydberg atom system. The transfer function estimated from the presented method is incorporated into an open-loop control optimization algorithm allowing for high-fidelity operations in quantum experiments., Comment: 15 pages, 10 figures

Published
2022
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6. Comparative Analysis of Autoencoders and U-net-Based Image Steganography

Author

Singh, Juhi, Yadav, Akshat, Siddhu, Ayushi, Sharma, Shivani, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Chakravarthy, V.V.S.S.S., editor, Bhateja, Vikrant, editor, Flores Fuentes, Wendy, editor, Anguera, Jaume, editor, and Vasavi, K. Padma, editor

Published
2023
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7. Automated Real-Time Face Detection and Generated Mail System for Border Security

Author

Tripathi, Khushboo, Singh, Juhi, Tyagi, Rajesh Kumar, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Dutta, Paramartha, editor, Chakrabarti, Satyajit, editor, Bhattacharya, Abhishek, editor, Dutta, Soumi, editor, and Shahnaz, Celia, editor

Published
2023
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9. Recent Trends in E-Learning Using Web 4.0

Author

Singh, Juhi, Singh, Arun Kumar, Singla, Mukesh, Bansal, Jagdish Chand, Series Editor, Deep, Kusum, Series Editor, Nagar, Atulya K., Series Editor, Goyal, Dinesh, editor, Kumar, Anil, editor, Piuri, Vincenzo, editor, and Paprzycki, Marcin, editor

Published
2023
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13. Real-Time Face Mask Detection and Analysis System

Author

Singh, Juhi, Gupta, Lakshy, Kushwaha, Rahul, Varshney, Tanya, Chauhan, Akshat, Xhafa, Fatos, Series Editor, Gupta, Deepak, editor, Polkowski, Zdzislaw, editor, Khanna, Ashish, editor, Bhattacharyya, Siddhartha, editor, and Castillo, Oscar, editor

Published
2022
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26. Blockchain-Enabled Secure Electronic Voting System in India

Author

Gautam, Amber, Singh, Juhi, Bhateja, Neha, Bansal, Jagdish Chand, Series Editor, Deep, Kusum, Series Editor, Nagar, Atulya K., Series Editor, Agrawal, Shikha, editor, Kumar Gupta, Kamlesh, editor, H. Chan, Jonathan, editor, Agrawal, Jitendra, editor, and Gupta, Manish, editor

Published
2021
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27. Energy Consumption Analysis and Proposed Power-Aware Scheduling Algorithm in Cloud Computing

Author

Singh, Juhi, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Dash, Subhransu Sekhar, editor, Das, Swagatam, editor, and Panigrahi, Bijaya Ketan, editor

Published
2021
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31. Spectrum Sensing in MIMO Cognitive Radio Networks Using Likelihood Ratio Tests with Unknown CSI

Author

Singh, Juhi, Shukla, Aasheesh, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Choudhury, Sushabhan, editor, Mishra, Ranjan, editor, Mishra, Raj Gaurav, editor, and Kumar, Adesh, editor

Published
2020
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32. Modeling Pedestrian Behavior Under Panic During a Fire Emergency

Author

Singh, Juhi, Deshpande, Atharva, Rao, Shrisha, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Paolucci, Mario, editor, Sichman, Jaime Simão, editor, and Verhagen, Harko, editor

Published
2020
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46. SEBI Tightens Governance Norms For Listed Entities

Author

Singh, Juhi

Subjects
India. Securities and Exchange Board of India -- Powers and duties, Corporate governance -- Laws, regulations and rules, Disclosure (Securities law) -- Laws, regulations and rules, Government regulation, Business, international
Abstract

INTRODUCTION On June 14, 2023, the Securities and Exchange Board of India (the 'SEBI') tightened governance requirements for listed entities under the Securities and Exchange Board of India (Listing Obligations [...]

Published
2023

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