Search Results - "Mukhopadhyay, Chiranjib"

Fermionic simulators for enhanced scalability of variational quantum simulation by Li, Qingyu, Mukhopadhyay, Chiranjib, Bayat, Abolfazl

“…Near-term quantum simulators are mostly based on qubit-based architectures. However, their imperfect nature significantly limits their practical application…”
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Modular Many-Body Quantum Sensors by Mukhopadhyay, Chiranjib, Bayat, Abolfazl

“…Quantum many-body systems undergoing phase transitions have been proposed as probes enabling beyond-classical enhancement of sensing precision. However, this…”
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Free-Fermionic Topological Quantum Sensors by Sarkar, Saubhik, Mukhopadhyay, Chiranjib, Alase, Abhijeet, Bayat, Abolfazl

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Superposition of causal order enables quantum advantage in teleportation under very noisy channels by Mukhopadhyay, Chiranjib, Pati, Arun Kumar

“…Abstract We show that the fidelity offered by the standard teleportation protocol under noisy channels applied successively can be significantly improved, when…”
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Stronger error disturbance relations for incompatible quantum measurements by Mukhopadhyay, Chiranjib, Shukla, Namrata, Pati, Arun Kumar

“…We formulate a new error-disturbance relation, which is free from explicit dependence upon variances in observables. This error-disturbance relation shows…”
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Brief report Robustness of coherence for multipartite quantum states by Mukhopadhyay, Chiranjib, Sharma, Udit Kamal, Chakrabarty, Indranil

“…In this brief report, we prove that the robustness of coherence (ROC), in contrast with many popular quantitative measures of quantum coherence derived from…”
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Modular Many-Body Quantum Sensors by Mukhopadhyay, Chiranjib, Bayat, Abolfazl

“…Phys. Rev. Lett. 133, 120601 (2024) Quantum many-body systems undergoing phase transitions have been proposed as probes enabling beyond-classical enhancement…”
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Current Trends in Global Quantum Metrology by Mukhopadhyay, Chiranjib, Montenegro, Victor, Bayat, Abolfazl

“…Quantum sensors are now universally acknowledged as one of the most promising near-term quantum technologies. The traditional formulation of quantum sensing…”
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Generating steady quantum coherence and magic through an autonomous thermodynamic machine by utilizing a spin bath by Mukhopadhyay, Chiranjib

“…Phys. Rev. A 98, 012102 (2018) Generation of steady quantumness in the presence of an environment is of utmost importance if we are to build practical quantum…”
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Fermionic Simulators for Enhanced Scalability of Variational Quantum Simulation by Li, Qingyu, Mukhopadhyay, Chiranjib, Bayat, Abolfazl

“…Phys. Rev. Research 5, 043175 (2023) Near-term quantum simulators are mostly based on qubit-based architectures. However, their imperfect nature significantly…”
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Saturable global quantum sensing with Gaussian probes by Mukhopadhyay, Chiranjib, Paris, Matteo G. A, Bayat, Abolfazl

“…Conventional formulation of quantum sensing has been mostly developed in the context of local estimation, where the unknown parameter is roughly known. In…”
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Review: Quantum Metrology and Sensing with Many-Body Systems by Montenegro, Victor, Mukhopadhyay, Chiranjib, Yousefjani, Rozhin, Sarkar, Saubhik, Mishra, Utkarsh, Paris, Matteo G. A, Bayat, Abolfazl

“…The main power of quantum sensors is achieved when the probe is composed of several particles. In this situation, quantum features such as entanglement…”
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Free-Fermionic Topological Quantum Sensors by Sarkar, Saubhik, Mukhopadhyay, Chiranjib, Alase, Abhijeet, Bayat, Abolfazl

“…Phys. Rev. Lett. 129, 090503 (2022) Second order quantum phase transitions, with well-known features such as long-range entanglement, symmetry breaking, and…”
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Superposition of causal order enables perfect quantum teleportation with very noisy singlets by Mukhopadhyay, Chiranjib, Pati, Arun Kumar

“…J.. Phys. Comm 2020 We show that the fidelity of the standard quantum teleportation protocol, which utilizes an impure resource state, applied successively,…”
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Characterization of an operational quantum resource in a critical many-body system by Sarkar, Saubhik, Mukhopadhyay, Chiranjib, Bayat, Abolfazl

“…New J. Phys. 22 083077 (2020) Quantum many-body systems have been extensively studied from the perspective of quantum technology, and conversely, critical…”
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Stronger classes of sum uncertainty and reverse uncertainy relations by Mukhopadhyay, Chiranjib, Pati, Arun Kumar

“…Uncertainty relations are old, yet potentially rewarding to explore. By introducing a quantity called the uncertainty matrix, we provide a link between purity…”
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Steerability of Quantum Coherence in Accelerated Frame by Mondal, Debasis, Mukhopadhyay, Chiranjib

“…The interplay between steering and quantum coherence is studied in a scenario, where two atoms move through an external massless scalar field. We show that…”
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Quantum precision thermometry with weak measurement by Pati, Arun Kumar, Mukhopadhyay, Chiranjib, Chakraborty, Sagnik, Ghosh, Sibasish

“…Phys. Rev. A 102, 012204 (2020) As the minituarization of electronic devices, which are sensitive to temperature, grows apace, sensing of temperature with ever…”
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Coherence makes quantum systems 'magical' by Mukhopadhyay, Chiranjib, Sazim, Sk, Pati, Arun Kumar

“…Two primary facets of quantum technological advancement that hold great promise are quantum communication and quantum computation. For quantum communication,…”
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Quantifying coherence with quantum addition by Mukhopadhyay, Chiranjib, Pati, Arun Kumar, Sazim, Sk

“…Quantum addition channels have been recently introduced in the context of deriving entropic power inequalities for finite dimensional quantum systems. We prove…”
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