Quantum non-demolition measurement of Fock states via atomic scattering in Bragg regime |
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| Institution: | 1. Center for Computational Materials Science, University of Malakand, Pakistan;2. Department of Physics, University of Malakand, Chakdara, Pakistan;3. Department of Physics, Abbottabad University of Science and Technology, Abbottabad 22010, Pakistan;4. Department of Physics, Abdul Wali Khan University Mardan, Pakistan;5. Department of Chemistry, University of Malakand, Chakdara, Pakistan;6. Department of Clinical & Diagnostic Sciences, The University of Alabama at Birmingham, Birmingham, AL 35294, USA;7. Gomal University, DI Khan, Pakistan;8. Department of Physics, Faculty of Sciences, University of Isfahan, Hezar Gerib Avenue, Isfahan 81746-73441, Iran;1. Instituto de Modelado e Innovación Tecnológica (CONICET-UNNE) and Facultad de Ciencias Exactas, Naturales y Agrimensura, Universidad Nacional del Nordeste, Avenida Libertad 5400, W3404AAS Corrientes, Argentina;2. Instituto de Fśica Enrique Gaviola, Universidad Nacional de Córdoba, CONICET, Facultad de Matemática, Astronomía, Física y Computación, Av. Medina Allende s/n, Ciudad Universitaria, CP:X5000HUA Córdoba, Argentina;1. Faculty of Physics, Urmia University of Technology, Urmia, Iran;2. School of Physics, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, Iran;3. Saeed''s Quantum Information Group, P.O. Box 19395-0560, Tehran, Iran;4. RCQI, Institute of Physics, Slovak Academy of Sciences, Dúbravská cesta 9, 84511 Bratislava, Slovakia;1. MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China;2. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China;3. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China;1. Center for Computational Materials Science, Department of Physics, University of Malakand, Chakdara, Pakistan;2. Department of Physics - Faculty of Science - King Khalid University, P.O. Box 9004, Abha, Saudi Arabia |
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| Abstract: | A simple scheme for quantum non-demolition (QND) measurement of a Fock state stored in a high-Q cavity is proposed. esscheme utilizes well-defined atomic center-of-mass momentum states in wave propagation direction, interacting with an offresonant cavity field in the Bragg regime. The same scheme can be applied for the formation of quantum Controlled-NOT logic gate. |
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