慶應SFC 環境情報学部 AO入試(グローバル) 志望理由書 提出例(ロドニー・バンミーター研究会向け)

  1. Professor Rodney D. Van Meter

Introduction of the discussion

Whereas conventional computers perform calculations using logic elements (bits) that take either the “0” or “1” state, quantum computers use quantum mechanical rules as the calculation principle. Calculation is performed by manipulating qubits that allow coexistence of “0” and “1” and performing parallel processing.

For example, if there are 10 qubits, 210 = 1024 superpositions can be created. The speeding up of computations with quantum computers has been proven by factoring that cannot be solved efficiently by conventional computers, and chemical / material simulations that cannot be calculated without considering quantum mechanics.

Quantum computers that companies are competing with today are limited to quantum transcendence (conventional computers outperform quantum computers in solving certain problems) and have not reached quantum acceleration (quantum computers outperform conventional computers in solving certain problems). If quantum acceleration is demonstrated, it can be expected that the quantum computer will increase exponentially as the qubit number increases.

Finding the problem

Here, I would like to organize technical issues for the practical application of quantum computers.

Argument

Quantum computers may continue to calculate without giving detection even if the calculation is wrong on the way, and give an incorrect answer.

To solve this problem, “quantum error correction” has been proposed for quantum computers as well as conventional computers, but it is difficult to implement and even 1-qubit error correction has not been realized yet.

Conclusion

I would like to study the implementation method of the error correction function, which is a challenge for the realization of quantum computers with quantum error tolerance.

Examining the conclusion

By studying with Professor Rodney D. Van Meter, who is one of the few researchers who can design quantum networks in Japan, I am sure that I could obtain various perspectives regarding my research and it would open up new horizons for me.

Therefore, I believe that Keio University’s Faculty of Environment and Information Studies is the most suitable place for pursuing my research and social contributions, and I am aspiring to enter your school and study in your laboratory.

 

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