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Quantum-to-classical transition and the emergence of trajectory level Darwinism with measurements distributed in time: a path integral approach
Harsh Arora, Bishal Kumar Das, Baladitya Suri +1
The paper develops a path‑integral framework that incorporates continuous measurements to explain how classical trajectories emerge from quantum dynamics, linking decoherence, quan…
Impedance-Engineered Josephson Parametric Amplifier with Single-Step Lithography
Lipi Patel, Samarth Hawaldar, Aditya Panikkar +2
We present the experimental demonstration of an impedance-engineered Josephson parametric amplifier (IEJPA) fabricated in a single-step lithography process. Impedance engineering i…
On-demand single-microwave-photon source in a superconducting circuit with wideband frequency tunability
Samarth Hawaldar, Siddhi Satish Khaire, Per Delsing +1
In this article, we propose a new method of generating single microwave photons in superconducting circuits. We theoretically show that pure single microwave photons can be generat…
Light-Matter Interaction in dispersive Superconducting Circuit QED
Harsh Arora, Jay Deshmukh, Ansh Das +2
It is well known that superconducting waveguides strongly attenuate the propagation of electromagnetic waves with frequencies beyond the superconducting gap. In circuit QED, the in…
Scalable High-Dimensional Multipartite Entanglement with Trapped Ions
Harsh Vardhan Upadhyay, Sanket Kumar Tripathy, Ting Rei Tan +2
We propose a protocol for the preparation of generalized Greenberger-Horne-Zeilinger (GHZ) states of atoms each with or internal levels. We generalize the celebrated…