Kaifeng Bu
About me
Hi, I am Kaifeng Bu, a postdoc at Harvard University. My research interests include quantum information and computation, mathematical physics, quantum convolutional approach, quantum machine learning, and quantum resource theory.
AMS Special Session 2024: I am going to host an AMS Special Session on Mathematics and Quantum on January 4-5th, 2024, together with Arthur Jaffe (Harvard), Sui Tang (UCSB), and Jonathan Weitsman (Northeastern). Currently confirmed speakers include Michael Aizenman (Princeton), Eric Carlen (Rutgers), Michael Freedman (Harvard CMSA), Robert Huang (Caltech), Lin Lin (Berkeley), Marc Rieffel (Berkeley), Eleanor Rieffel (NASA), Dimitri Shlyakhtenko (UCLA), and Zhenghan Wang (UCSB & Microsoft). Welcome to join us in San Francisco. Here is the link to the session:
New work in 2024
Extremality of stabilizer states, arXiv:2403.13632 (We show the remarkable information-theoretic properties of stabilizer states.)
Magic Class and the Convolution Group, with Arthur Jaffe, Zixia Wei, arXiv:2402.05780 (We propose a new coarse-graining procedure, called "Convolution Group", to extract the feature of magic)
Entropic Quantum Central Limit Theorem and Quantum Inverse Sumset Theorem, with Weichen Gu, Arthur Jaffe, arXiv:2401.14385 (We proposed a quantum inverse sumset theory, a new quantum divergence, called "quantum Ruzsa divergence", and also a convolutional strong subadditivity)
Magic can enhance the quantum capacity of channels, with Arthur Jaffe, arXiv:2401.12105 (We showed that the magic can support the advantage in quantum communication)
Resource Theory of Non-Revivals with Applications to Quantum Many-Body Scars, with Roy Garcia, Liyuan Chen, Anton Marius Graf, arXiv:2401.10142
New publication in 2024
Classical shadows with Pauli-invariant unitary ensembles, with Dax Koh, Roy Garcia, Arthur Jaffe, npj Quantum Information, 10, 6 (2024), doi.org/10.1038/s41534-023-00801-w.