Case studies I

Kwa, Kai Xiang

doi:10.4324/9780429290701-3

Cited by 2 publications

(2 citation statements)

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“…It might be a general exact result that S (α) nonlocal = 0 when | d| > λl D no matter how you choose A, B, C but we do not have a proof. The case for Haah's code is a conjecture by Kim [43]. If the conjectured results are true, this may be used to make a clear distinction between type I and type II fracton models.…”

Section: Further Commentsmentioning

confidence: 95%

Deciphering the nonlocal entanglement entropy of fracton topological orders

Shi

Lü

2018

Phys. Rev. B

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The ground states of topological orders condense extended objects and support topological excitations. This nontrivial property leads to nonzero topological entanglement entropy Stopo for conventional topological orders. Fracton topological order is an exotic class of models which is beyond the description of TQFT. With some assumptions about the condensates and the topological excitations, we derive a lower bound of the nonlocal entanglement entropy S nonlocal (a generalization of Stopo). The lower bound applies to Abelian stabilizer models including conventional topological orders as well as type I and type II fracton models, and it could be used to distinguish them. For fracton models, the lower bound shows that S nonlocal could obtain geometry-dependent values, and S nonlocal is extensive for certain choices of subsystems, including some choices which always give zero for TQFT. The stability of the lower bound under local perturbations is discussed. PACS numbers:arXiv:1705.09300v2 [cond-mat.str-el]

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Section: Further Commentsmentioning

confidence: 95%

Deciphering the nonlocal entanglement entropy of fracton topological orders

Shi

Lü

2018

Phys. Rev. B

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“…At present, there are five NEWater plans supplying 40% of Singapore's current water demands [70]. For example, according to Kim and Kwa (2020) [71,72] Singapore currently utilises reverse osmosis for desalination, amounting to an approximate usage of 3.5 kWh m 3−3 of energy to make seawater drinkable by channeling seawater through membranes to remove dissolved salts and minerals [73]. Additionally, "PUB's goal is to reduce the energy requirement for desalination by more than halve from the current 3.5 kWh m 3−3 to 1.5 kWh m 3−3 and then to 1 kWh m 3−3 in the long run" [73].…”

Section: Four National Tapsmentioning

confidence: 99%

Combating Climate Change through Network Governance in Singapore’s and Australia’s Air, Land and Water Sectors from 2000 to 2019

Kwa

2023

Sustainability

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Reversing the detrimental effects of climate change requires governments worldwide to collaborate with academia and industry to pursue more environmentally friendly socio-economic national policies. Towards these ends, Singapore and Australia provide useful but currently lacking insights. This warrants case-study-driven interrogations into the government/industry/academia-oriented success and risk factors respectively informing their well-performing climate change policies and under-performing climate change policies in the air, land and water sectors from 2000 to 2019 (n = 8). By employing the Triple Helix Theory to analyse the policies, the notable success factors found are government-industry organizational belief in the long-term commercial potential of scientific climate change potential; government-industry-academia recognition of collective intellectual and technological collaboration as necessary; government-industry-academia commitment to methodically pre-empt and mitigate potential conflicts. In contrast, the notable risk factors involve inadequate/un-sustained organizational will by governments to pursue long-term environmentally friendly economic development; government-industry-academia managerial oversight in climate change resource allocation. Finally, implications for future climate change research and policy are discussed.

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Case studies I

Cited by 2 publications

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Deciphering the nonlocal entanglement entropy of fracton topological orders

Deciphering the nonlocal entanglement entropy of fracton topological orders

Combating Climate Change through Network Governance in Singapore’s and Australia’s Air, Land and Water Sectors from 2000 to 2019

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