Shashwat Kumar
@iamshashwatk
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Quantum Computing | PhD Candidate @Princeton | Student Researcher at @GoogleQuantumAI | BS-MS Physics @IiserMohali | @EPFL | Travelling & Hiking 🏔
Princeton, NJ
Joined December 2020
Feeling magical this holiday season? Check out our latest paper @GoogleQuantumAI, headlined by Emma Rosenfeld and @CraigGidney, experimentally testing magic state cultivation on Willow. https://t.co/UPYhRt26J2 |T⟩ so good it’s hard to measure: 0.9999(1), thread below! 🧵
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Our @ScienceMagazine perspective : have quantum simulators already found new physics ? Think hot-air balloons: tricky to fly, not very steerable, but once aloft can drift into unexplored territory and make real “discoverinos.” https://t.co/tOyC3KETBU
https://t.co/DtKT4ds5nR
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It is fun to experiment on the quantum and classical computation boundaries for the 2D HLF problem and other quantum games. It's exciting that we’re approaching the quantum limit on key tasks. Check out our latest work!
arxiv.org
The prevailing view is that quantum phenomena can be harnessed to tackle certain problems beyond the reach of classical approaches. Quantifying this capability as a quantum-classical separation...
It’s long overdue for Quantum and Classical computation to set some healthy boundaries. Using Willow, we demonstrated a clear quantum advantage on the bounded-resource 2D hidden linear function problem function and several other quantum games. https://t.co/ssnbwxoMFz
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Great day at @GoogleQuantumAI discussing the macroscopic quantum tunneling data and getting posters and plaques signed by this year’s Physics Nobel Laureates!
Celebrating two legendary pioneers of superconducting qubits: Michel Devoret and John Martinis. Their leadership over four decades has shaped generations of researchers and advanced the field of superconducting quantum computing. Long overdue thanks! ( don't miss the video)
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A @Princeton team has introduced a #quantum chip that clears one of the key obstacles to efficient error correction and scalability for industrial systems... (1/5)
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This metric of performance is simple, since it can be communicated as a single scaler value. It is intuitive since it is measuring the length of the arm of an interferometer that can be built meaningfully. Highly recommended ! Try it on your favorite quantum processor!
Which quantum computer is actually the most "quantum"? Uses quasi-particle interference to test how "quantum" each platform really is. Fixed circuit. Known answer. Scale it up until the machine can't handle it. That's your Q-grade. Illustrates steady improvement with each
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Hear from Michel Devoret, our Chief Scientist of Quantum Hardware, on our latest breakthrough algorithm: Quantum Echoes. His early work on superconducting artificial atoms laid the foundation for the Willow chip, enabling verifiable quantum advantage.
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New breakthrough quantum algorithm published in @Nature today: Our Willow chip has achieved the first-ever verifiable quantum advantage. Willow ran the algorithm - which we’ve named Quantum Echoes - 13,000x faster than the best classical algorithm on one of the world's fastest
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What a privilege to celebrate Michel’s Nobel Prize alongside colleagues at @GoogleQuantumAI. A day full of gratitude and inspiration. Michel’s guidance has been pivotal in my journey as a student researcher, lessons that will stay with me forever!
Our unforgettable yesterday at @GoogleQuantumAI in four frames. Preparing for Michel’s arrival, being the first to congratulate ( and walk him to his desk ! ), celebrating together, and ending with a special moment with students we’re hosting @iamshashwatk @MoALGq @karamlouMIT
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Congrats to Michel Devoret, John Martinis, and John Clarke on the Nobel Prize in Physics. 🔬🥼 Michel is chief scientist of hardware at our Quantum AI lab and John Martinis led the hardware team for many years. Their pioneering work in quantum mechanics in the 1980s made recent
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Such fantastic news for superconducting circuits, huge congratulations! I’m grateful to be working under Michel’s guidance as part of my hardware residency with @GoogleQuantumAI. Always inspiring and so well deserved!
BREAKING NEWS The Royal Swedish Academy of Sciences has decided to award the 2025 #NobelPrize in Physics to John Clarke, Michel H. Devoret and John M. Martinis “for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.”
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Princeton University alumna Mary Brunkow *91 has been awarded the Nobel Prize in Physiology or Medicine “for groundbreaking discoveries concerning peripheral immune tolerance that prevents the immune system from harming the body.”
princeton.edu
Brunkow received her Ph.D. from Princeton in 1991 in molecular biology. She shares the award with Fred Ramsdell and Shimon Sakaguchi for discoveries about how the immune system is kept in check.
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Two friends: an electric and a magnetic particle. Place one on a swing and push. In each cycle its character flips — electric, magnetic, electric, ... . Quant. transmutation: excitations alternate their statistics. Observed it with Floquet driving @Nature
https://t.co/l38CVnJOEv
nature.com
Nature - A superconducting quantum computer is used to realize an out-of-equilibrium topologically ordered state, which hosts anyonic excitations.
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“Tell me, what is a digital quantum simulation built on?” “Arjun, every digital simulation rests on the continuous analog evolution of qubits.” “And what is that built on?” “You're clever, young man—it’s analog all the way down.” https://t.co/ppIx8U1d09
@QuantaMagazine
quantamagazine.org
Recent progress on both analog and digital simulations of quantum fields foreshadows a future in which quantum computers could illuminate phenomena that are far too complex for even the most powerful...
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End of summer and saying another goodbye(s) to students that we host. We offered them seats but it seems it was time to go back to their home institute. great time and work with Weijie Wu @Harvard and Valentin Reparaz #Bariloche . with @karamlouMIT @zlatko_minev @iamshashwatk
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Had some great time welcoming our student researcher @QuantumManuel at @GoogleQuantumAI . He will be designing our new beyond-classical applications!
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A happy day for the LGT fans ! The largest quantum simulation experiment of 2+1D lattice gauge theories (LGT) took place on Willow ! thanks to @GoogleQuantumAI team We thanks the DFL fans (disorder-free localization) for suggesting it.
Our @GoogleQuantumAI experiment with @PedramRoushan's team has been vastly advanced to include 81 qubits in two spatial dimensions, making it the largest quantum simulation experiment of a 2+1D lattice gauge theory (LGT)! Check it out here: https://t.co/RBddmbtjVq (1/4)
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Very happy to have contributed to this work as part of @PedramRoushan’s team at @GoogleQuantumAI! Exciting to see those 81 qubits on the Willow chip power the largest 2+1D Lattice Gauge Theory simulations experiment. A big step toward large-scale on-chip quantum applications!
Our @GoogleQuantumAI experiment with @PedramRoushan's team has been vastly advanced to include 81 qubits in two spatial dimensions, making it the largest quantum simulation experiment of a 2+1D lattice gauge theory (LGT)! Check it out here: https://t.co/RBddmbtjVq (1/4)
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Professor Andrew Houck '00 has been appointed dean of @eprinceton, effective August 1: https://t.co/EtLF5SrnvS Houck co-directs the Princeton Quantum Initiative and leads the federally funded national quantum research center, @C2QAdvantage.
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