[QIP-Sem] MIT Quantum Information Processing Seminar Announcements

[QIP-Sem Mailing List]

Next week's MIT QIP seminar will take place on Monday, Dec. 1st at 
16:00 in 4-270, and features:


Overview of Superconductive Quantum Computing:
Moore's Law Meets Schrodinger's Cat

by Prof. Karl K. Berggren (EECS @ MIT)

ABSTRACT

Superconductive systems are one of the few macroscopic systems in 
which quantum mechanical behavior has been observed. In a 
superconductor one can design, fabricate, and test circuits described 
by using a wavefunction in which each current and voltage state may 
be observed with some probability amplitude. Interference of these 
amplitudes and entanglement between physically separated circuits can 
be observed in this system. These properties make superconductive 
circuits ideal for application to quantum computation. Also, because 
superconductive devices can be fabricated using techniques of 
microelectronic processing, the resulting circuits are potentially 
scalable to the level of integration required to implement complex 
algorithms.

In this seminar, we will review recent research in superconductive 
quantum computation. In particular, we will focus on the problem of 
device fabrication and characterization in this system.


The following special seminar on Wednesday, December 3 at 16:00 hours 
in the Von Hippel Room (13-2127) should also be of interest to 
subscribers to this list:


Spectroscopy on Two Coupled Flux Qubits

by Dr. Johannes Majer (Yale University)

ABSTRACT

We have performed spectroscopy measurements on two coupled 
superconducting flux qubits. The qubits are coupled inductively, 
which results in a $\sigma_z^1 \sigma_z^2$ interaction. By applying 
microwave radiation, we observe resonances due to transitions from 
the ground state to the first two excited states. From the position 
of these resonances as a function of the magnetic field applied we 
observe the coupling of the qubits. The coupling strength agrees well 
with calculations of the mutual inductance.


If you would like to meet with Hannes Majer, please contact Terry 
Orlando 3-5888 orlando at mit.edu.

Meanwhile, happy thanksgiving!
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