>After the change, it becomes a stronger (yes, there is such a thing) superconductor the cooler it gets Do you mean the tradeoff between temperature, field str

>After the change, it becomes a stronger (yes, there is such a thing) superconductor the cooler it gets Do you mean the tradeoff between temperature, field strength and current? Like, if you lower the temperature, the SC will be able to handle a stronger field or more current in return?