We give talks and seminars around the University of Oxford, publish research updates, or announce major software advances. To hear about these, subscribe to our mailing list below. As per the GDPR, we will never send emails of an unsolicited nature, nor share your email address.
Upcoming and prior talks of our seminar series are listed below. Contact: koczor@maths.ox.ac.uk
| Date | Speaker | Topic |
|---|---|---|
| 16 May 2024 | Yu-ichiro Matsushita | |
| 2 February 2024 | Gábor Csányi | Machine learning force fields for materials and molecules |
| 26 January 2024 | Volker Deringer | Data-driven interatomic potentials for materials simulations |
| 17 November 2023 | Andrew Zhao | Group-theoretic error mitigation enabled by classical shadows and symmetries [link] |
| 3 November 2023 | Hans Chan | Cloud access for quantum hardware |
| 27 October 2023 | Matt Goh | Lie-algebraic classical simulations for variational quantum computing [link] |
| 6 October 2023 | Cica Gustiani | The Virtual Quantum Device (VQD): A tool for detailed emulation of quantum computers [link] |
| 20 July 2023 | Zhenhuan Liu | Advancing Quantum Operations: Hermitian-Preserving Map Exponentiation for Non-Physical Quantum Maps |
| 12 June 2023 | Toby Cubitt | Dissipative ground state preparation and the Dissipative Quantum Eigensolver [link] |
| 14 Apr 2023 | Lucas Berent | Decoding Quantum Low-Density Parity-Check Codes |
| 6 Apr 2023 | Armands Strikis | Quantum LDPC Codes for Modular Architectures [link] |
| 3 Mar 2023 | Richard Meister | Resource-frugal Hamiltonian eigenstate preparation via repeated quantum phase estimation measurements [link] |
| 24 Feb 2023 | Michael Beverland | Assessing requirements to scale to practical quantum advantage[link] |
| 10 Feb 2023 | Hans Chan | Algorithmic Shadow Spectroscopy [link] |
| 18 Nov 2022 | Cica Gustiani | Exploiting subspace constraints and ab initio variational methods for quantum chemistry[link] |
| 18 Nov 2022 | Richard Meister | Exploring ab initio machine synthesis of quantum circuits [link] |
| 24 June 2022 | Ninnat Dangniam | Fermion Sampling [link] |
| 17 June 2022 | Hamza Jnane | Multicore quantum computing [link] |
| 3 June 2022 | Hans Chan | Grid-based methods for chemistry simulations on a quantum computer [link] |
| 13 May 2022 | Gregory Boyd | Training variational quantum circuits with CoVaR: covariance root finding with classical shadows [link] |
| 6 May 2022 | Arthur Rattew | Preparing Arbitrary Continuous Functions in Quantum Registers With Logarithmic Complexity [link] |
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A quantum error-correcting code is a central piece of fault-tolerant quantum computation that is required to realise large-scale quantum algorithms.
10-11-2022
The most promising class of algorithms for near-term quantum computers are variational quantum algorithms (VQAs), where a parametrised circuit of
04-05-2022
A promising approach to build a scalable quantum computer is to manufacture a large array of qubits on a chip.
07-12-2021
Present and near-term quantum computers could help us to solve important practical problems by preparing increasingly complex quantum states that
27-07-2021
QuESTlink is a wonderful and extremely useful tool when it comes to testing, understanding or developing quantum algorithms. It is
16-04-2021
Quantum algorithms have introduced a new paradigm in computing, but they typically estimate expectation values by sampling output probabilities of
15-06-2020
Gradient descent is well-known and widely used in many scientific applications. In many scenarios the aim is to find the
15-06-2020
Practical large-scale quantum computers require active error correction, but for this to work, the components must reach fidelities that are
20-11-2019
In general, metrology aims to increase the precision of measuring a physical quantity, such as time or the strength of
25-09-2019
QTechTheory welcomes its newest member Bálint Koczor, joining as a postdoctoral researcher! Bálint is supported both the EU Flagship project
29-05-2019
We develop a completely new variational quantum algorithms for simulating general processes, one of which can compute the general matrix
13-02-2019
Several of the group's papers in the last year have focused on the theory behind so-called hybrid quantum algorithms --
07-02-2019
Working with Alexander Mayorov from Cambridge and Xiao Shan from Oxford Chemistry, we've looked into the prospects for modelling molecular
06-02-2019
Together with Alán Aspuru-Guzik, our group has put together a pretty comprehensive review of quantum computers for chemistry simulation. It's
06-02-2019
To run a program, a computer needs to understand how to perform each operation written in the code. But there
09-11-2018
The hamiltonian simulation is to simulate the dynamics of the system, given some Hamiltonian. The conventional way of the Hamiltonian
15-08-2018
For quantum error correction, if the error rate of our physical components is below a certain error threshold, we can decrease
16-07-2018
Place an elastic ball in a box and shake it. What is the total energy of the ball? In classical
18-06-2018
Simon Benjamin was recently featured on the Y Combinator blog, a seed accelerator which has seeded companies like Dropbox, Airbnb,
01-06-2018
“Imaginary time is a genuine scientific concept. One can picture it in the following way. One can think of ordinary,
18-04-2018
These days, a lot of groups are trying to fabricate small sized quantum circuits with tens of qubits, and some
23-02-2018
Simulation is crucial to many sciences. We simulate cosmic events before we spy them in the skies. We simulate molecular
23-02-2018
In recent years, quantum computation has become a hot word in the scientific world and has gradually enterered public view.
11-01-2018
We've brought over the news posts from qunat.org - the previous home of the research group. You can read these posts
13-12-2017
Many researchers believe that the best way to make a quantum computer is to interlink many small modules. But what does
16-04-2016
The process called quantum annealing is a hot topic! We've posted a preprint which extents recent ideas from an Innsbruck team, for realising such
30-03-2016
A new project on Quantum Optimisation and Machine Learning "QuOpaL" is now underway. Based at the University of Oxford, it's
13-08-2014
In a paper to appear in PRX, Naomi and Simon present detailed calculations simulating a quantum computer built from
21-07-2014
The last few papers from the QuNaT group have set a precedent that we hope to maintain permanently: We publish
21-07-2014
A new website has been created for all of Oxford University's quantum science community.
29-10-2013
A quantum system interacting with an environment can behave very differently to when it is in isolation. This can be
17-06-2013
The debate continues about quantum effects in the natural 'compass sense' that some birds have. The most well-studied species is
23-05-2013
Our recent paper in Nature Communications explains how we might be able to break up a quantum computer into little,
23-05-2013
In quantum physics, sometimes we may choose to perform measurements weakly: we deliberately avoid learning too much about a system so
23-05-2013
In a recent New J. Physics article, we look at how one could create entanglement between two remote parties by
23-05-2013
In a recent Phys. Rev. Letter we take a look at the idea of using a chain of spins as
23-05-2013
Simon recently ran a conference on Open Science, with help from others in the QuNaT team: 'Rigour and Openness in
23-05-2013
How precisely do birds navigate over long distances without getting lost? In a Biophysical Journal article, we suggest that certain
12-04-2013
Can objects be in two places at the same time? Even if we take the best theory of atomic physics
20-01-2012
To run a program, a computer needs to understand how to perform each operation written in the code. But there
09-11-2018
We've uploaded a short Mathematica notebook which allows one to generate and play with the unitary matrices generated by short,
22-08-2018
In support of open science, we've made publicly available the simulation code used in our recent study of using variational
19-07-2018
We've added a guide on using the GNU Scientific library - a powerful C/C++ numerical methods library - on OSX
13-04-2018
We've added a guide on setting up a remote file system in OSX, so that you can edit files stored
12-03-2018
Simulation is crucial to many sciences. We simulate cosmic events before we spy them in the skies. We simulate molecular
23-02-2018
We've added a guide on installing ProjectQ, a powerful Python quantum-computer simulation framework, on the ARCHER and ARCUS-B supercomputers. Read it
30-01-2018
We've begun compiling a list of useful SLURM commands, which you can view here.
08-01-2018
We've added a python script for generating a SLURM submission script which launches multiple jobs to sweep a given set
07-01-2018
We’ve added tools for outputting Python and C data to a form Mathematica can read. Read about them here, or
18-12-2017
We've added tools for profiling the memory usage of C and Python program processes in linux. Read about them here,
18-12-2017
Quantum LDPC Codes for Modular Architectures
Posted 2022-11-10
A Quantum Variational Root Finding Method Exploiting Classical Shadows
Posted 2022-05-04
Quantum computing is scalable on a planar array of qubits with fabrication defects
Posted 2021-12-07
Exponential Error Suppression
Posted 2021-07-27
QuESTlink Demo Library of Quantum Algorithms
Posted 2021-04-16
Measurement cost of metric-aware variational quantum algorithms
Posted 2020-06-15
Quantum natural gradient generalised to non-unitary circuits
Posted 2020-06-15
A concatenated error correction code for asymmetric noise
Posted 2019-11-20
Variational-State Quantum Metrology
Posted 2019-09-25
Bálint Koczor joins the group!
Posted 2019-05-29
Variational quantum simulation of general processes
Posted 2019-02-13
Hybrid theory
Posted 2019-02-07
Good vibrations
Posted 2019-02-06
Quantum computational chemistry
Posted 2019-02-06
Compiling quantum programs, approximately
Posted 2018-11-09
Gate algebra in Mathematica
Posted 2018-08-22
Mitigating algorithmic errors in Hamiltonian simulation
Posted 2018-08-15
Variational eigensolver code now available
Posted 2018-07-19
Twirling
Posted 2018-07-16
Discovering energy spectra
Posted 2018-06-18
Simon speaks on Y Combinator
Posted 2018-06-01
Imaginary time on a quantum computer
Posted 2018-04-18
Using GSL on OSX and linux supercomputers
Posted 2018-04-13
Accessing supercomputers with OSX
Posted 2018-03-12
Error mitigation techniques for short depth circuits
Posted 2018-02-23
A lightning fast quantum computer simulator
Posted 2018-02-23
Installing ProjectQ on supercomputers
Posted 2018-01-30
How can we cope with noisy quantum computers?
Posted 2018-01-11
Useful SLURM commands
Posted 2018-01-08
Sweep parameters in SLURM via python
Posted 2018-01-07
Output from C and Python to Mathematica
Posted 2017-12-18
Linux Memory Profilers in C and Python
Posted 2017-12-18
QuNaT ported
Posted 2017-12-13
Use small modules? OK, but how small?
Posted 2016-04-16
Quantum annealing
Posted 2016-03-30
Quantum Learning with Nokia & Lockheed Martin
Posted 2014-08-13
Ultimate network?
Posted 2014-07-21
Going 100% open!
Posted 2014-07-21
Oxford Quantum site
Posted 2013-10-29
Where quantum meets the rest of the world
Posted 2013-06-17
More Bird Brains
Posted 2013-05-23
A thousand fragments
Posted 2013-05-23
Weak measurements don’t defeat noise
Posted 2013-05-23
Quantum communication
Posted 2013-05-23
Dark spin chain
Posted 2013-05-23
Open Science conference
Posted 2013-05-23
Birds ‘see’ magnetism?
Posted 2013-04-12
Can things really be in two places at once?
Posted 2012-01-20