465 citations · 706 across the 23 of their papers we have counts for
23 papers
Quantum Synchronization
Parvinder Solanki, Albert Cabot, Fernando Iemini +8
Natural and engineered classical systems are replete with examples of synchronization, understood as the adjustment of rhythms of physical systems. Such synchronization is at the h…
Quantum Illumination with Symmetry-Constrained Random Unitaries
Sooryansh Asthana, Sai Vinjanampathy
Quantum illumination provides a quantum advantage in detecting weakly reflecting objects embedded in a noisy environment, even when environmental noise destroys most of the initial…
Exotic synchronization in continuous time crystals outside the symmetric subspace
Parvinder Solanki, Midhun Krishna, Michal Hajdušek +2
Exploring continuous time crystals (CTCs) within the symmetric subspace of spin systems has been a subject of intensive research in recent times. Thus far, the stability of the tim…
Amplification, Mitigation and Energy Storage via Constrained Thermalization
Harshank Shrotriya, Midhun Krishna, Leong-Chuan Kwek +2
Amplification (mitigation) is the increase (decrease) in the change of thermodynamic quantities when an initial thermal state is thermalized to a different temperature in the prese…
Metrology in the Presence of Thermodynamically Consistent Measurements
Muthumanimaran Vetrivelan, Abhisek Panda, Sai Vinjanampathy
Thermodynamically consistent measurements can either preserve statistics (unbiased) or preserve marginal states (non-invasive) but not both. Here we show the existence of metrologi…
Symmetries and Synchronization Blockade
Parvinder Solanki, Faraz Mohd Mehdi, Michal Hajdušek +1
Synchronization blockade refers to an interferometric cancellation of quantum synchronization. In this manuscript, we show how the choice of synchronization measure and Hamiltonian…
Quadratic Enhancement in the Reliability of Collective Quantum Engines
Noufal Jaseem, Sai Vinjanampathy, Victor Mukherjee
We study fluctuations in many-body quantum heat engines operating in the presence of collective system-bath interactions. We show that collective effects in open quantum systems ca…
Measurement Induced Continuous Time Crystals
Midhun Krishna, Parvinder Solanki, Michal Hajdušek +1
Strong measurements usually restrict the dynamics of measured finite dimensional systems to the Zeno subspace, where subsequent evolution is unitary due to the suppression of dissi…
Observation of quantum phase-synchronization in a nuclear spin-system
V. R. Krithika, Parvinder Solanki, Sai Vinjanampathy +1
We report an experimental study of phase-synchronization in a pair of interacting nuclear spins subjected to an external drive in nuclear magnetic resonance architecture. A weak tr…
Steady-State Tunable Entanglement Thermal Machine Using Quantum Dots
Anuranan Das, Adil Anwar Khan, Sattwik Deb Mishra +4
We present a solid state thermal machine based on quantum dots to generate steady-state entanglement between distant spins. Unlike previous approaches our system is controlled by e…
Near-Deterministic Weak-Value Metrology via Collective non-Linearity
Muthumanimaran Vetrivelan, Sai Vinjanampathy
Weak-value amplification employs postselection to enhance the measurement of small parameters of interest. The amplification comes at the expense of reduced success probability, hi…
Algorithmic Primitives for Quantum-Assisted Quantum Control
Guru-Vamsi Policharla, Sai Vinjanampathy
We discuss two primitive algorithms to evaluate overlaps and transition matrix time series, which are used to construct a variety of quantum-assisted quantum control algorithms imp…
An India-specific Compartmental Model for Covid-19: Projections and Intervention Strategies by Incorporating Geographical, Infrastructural and Response Heterogeneity
Sanit Gupta, Sahil Shah, Sumit Chaturvedi +15
We present a compartmental meta-population model for the spread of Covid-19 in India. Our model simulates populations at a district or state level using an epidemiological model th…
Proof of monotonic increase in the cost function for Krotov algorithm for open quantum systems
Tejas Shetty
A great number of quantum control papers have used one of the variants of the monotonically convergent variational control algorithm of Krotov (as described in Maday and Turinici (…
Detecting Initial Correlations via Correlated Spectroscopy in Hybrid Quantum Systems
Parth Jatakia, Sai Vinjanampathy, Kasturi Saha
Generic mesoscopic quantum systems that interact with their environment tend to display appreciable correlations with environment that often play an important role in the physical…
Quantum satellites and tests of relativity
Piergiovanni Magnani, Matteo Schiavon, Alexander R. H. Smith +5
Deployment of quantum technology in space provides opportunities for new types of precision tests of gravity. On the other hand, the operational demands of such technology can make…
Quantum Synchronisation in Nanoscale Heat Engines
Noufal Jaseem, Michal Hajdušek, Vlatko Vedral +3
Owing to the ubiquity of synchronization in the classical world, it is interesting to study its behavior in quantum systems. Though quantum synchronisation has been investigated in…
Quantum Batteries - Review Chapter
Francesco Campaioli, Felix A. Pollock, Sai Vinjanampathy
Book chapter in "Thermodynamics in the quantum regime - Recent Progress and Outlook" -- This chapter is a survey of the published literature on quantum batteries -- ensembles of no…
Classical information driven quantum dot thermal machines
Abhin Shah, Sai Vinjanampathy, Bhaskaran Muralidharan
We analyze the transient response of quantum dot thermal machines that can be driven by hyperfine interaction acting as a source of classical information. Our setup comprises a qua…
Unattainable & attainable bounds for quantum sensors
Masahito Hayashi, Sai Vinjanampathy, L. C. Kwek
In quantum metrology, it is widely believed that the quantum Cramer-Rao bound is attainable bound while it is not true. In order to clarify this point, we explain why the quantum C…
Quantacell: Powerful charging of quantum batteries
Felix C. Binder, Sai Vinjanampathy, Kavan Modi +1
We study the problem of charging a quantum battery in finite time. We demonstrate an analytical optimal protocol for the case of a single qubit. Extending this analysis to an array…
Self-Stabilizing Measurements for Noisy Metrology
Sai Vinjanampathy
We present a protocol to perform self-stabilizing measurements on noisy qubits. We employ rapid purification in a rotating frame whose frequency is estimated and periodically updat…
Real-time feedback control of a mesoscopic superposition
Kurt Jacobs, Justin Finn, Sai Vinjanampathy
We show that continuous real-time feedback can be used to track, control, and protect a mesoscopic superposition of two spatially separated wave-packets. The feedback protocol is e…